20148042500

素因数分解:

$2^2\times 5^4\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1287

約数の個数: 120

約数和(自身を含む): 45132927840

約数和(自身を除く): 24984885340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 89, 100, 125, 166, 178, 250, 332, 356, 415, 445, 500, 625, 830, 890, 1091, 1250, 1660, 1780, 2075, 2182, 2225, 2500, 4150, 4364, 4450, 5455, 7387, 8300, 8900, 10375, 10910, 11125, 14774, 20750, 21820, 22250, 27275, 29548, 36935, 41500, 44500, 51875, 54550, 55625, 73870, 90553, 97099, 103750, 109100, 111250, 136375, 147740, 181106, 184675, 194198, 207500, 222500, 272750, 362212, 369350, 388396, 452765, 485495, 545500, 681875, 738700, 905530, 923375, 970990, 1363750, 1811060, 1846750, 1941980, 2263825, 2427475, 2727500, 3693500, 4527650, 4616875, 4854950, 8059217, 9055300, 9233750, 9709900, 11319125, 12137375, 16118434, 18467500, 22638250, 24274750, 32236868, 40296085, 45276500, 48549500, 56595625, 60686875, 80592170, 113191250, 121373750, 161184340, 201480425, 226382500, 242747500, 402960850, 805921700, 1007402125, 2014804250, 4029608500, 5037010625, 10074021250, 20148042500]

約数ペア:

[(1, 20148042500), (2, 10074021250), (4, 5037010625), (5, 4029608500), (10, 2014804250), (20, 1007402125), (25, 805921700), (50, 402960850), (83, 242747500), (89, 226382500), (100, 201480425), (125, 161184340), (166, 121373750), (178, 113191250), (250, 80592170), (332, 60686875), (356, 56595625), (415, 48549500), (445, 45276500), (500, 40296085), (625, 32236868), (830, 24274750), (890, 22638250), (1091, 18467500), (1250, 16118434), (1660, 12137375), (1780, 11319125), (2075, 9709900), (2182, 9233750), (2225, 9055300), (2500, 8059217), (4150, 4854950), (4364, 4616875), (4450, 4527650), (5455, 3693500), (7387, 2727500), (8300, 2427475), (8900, 2263825), (10375, 1941980), (10910, 1846750), (11125, 1811060), (14774, 1363750), (20750, 970990), (21820, 923375), (22250, 905530), (27275, 738700), (29548, 681875), (36935, 545500), (41500, 485495), (44500, 452765), (51875, 388396), (54550, 369350), (55625, 362212), (73870, 272750), (90553, 222500), (97099, 207500), (103750, 194198), (109100, 184675), (111250, 181106), (136375, 147740)]