2158000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:119

約数の個数: 80

約数和(自身を含む): 5687136

約数和(自身を除く): 3529136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 83, 100, 104, 125, 130, 166, 200, 208, 250, 260, 325, 332, 400, 415, 500, 520, 650, 664, 830, 1000, 1040, 1079, 1300, 1328, 1625, 1660, 2000, 2075, 2158, 2600, 3250, 3320, 4150, 4316, 5200, 5395, 6500, 6640, 8300, 8632, 10375, 10790, 13000, 16600, 17264, 20750, 21580, 26000, 26975, 33200, 41500, 43160, 53950, 83000, 86320, 107900, 134875, 166000, 215800, 269750, 431600, 539500, 1079000, 2158000]

約数ペア:

[(1, 2158000), (2, 1079000), (4, 539500), (5, 431600), (8, 269750), (10, 215800), (13, 166000), (16, 134875), (20, 107900), (25, 86320), (26, 83000), (40, 53950), (50, 43160), (52, 41500), (65, 33200), (80, 26975), (83, 26000), (100, 21580), (104, 20750), (125, 17264), (130, 16600), (166, 13000), (200, 10790), (208, 10375), (250, 8632), (260, 8300), (325, 6640), (332, 6500), (400, 5395), (415, 5200), (500, 4316), (520, 4150), (650, 3320), (664, 3250), (830, 2600), (1000, 2158), (1040, 2075), (1079, 2000), (1300, 1660), (1328, 1625)]