40007494780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{45361}}^1$

素因数の和:45611

約数の個数: 96

約数和(自身を含む): 96936779520

約数和(自身を除く): 56929284740

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 211, 220, 380, 418, 422, 836, 844, 1045, 1055, 2090, 2110, 2321, 4009, 4180, 4220, 4642, 8018, 9284, 11605, 16036, 20045, 23210, 40090, 44099, 45361, 46420, 80180, 88198, 90722, 176396, 181444, 220495, 226805, 440990, 453610, 498971, 861859, 881980, 907220, 997942, 1723718, 1995884, 2494855, 3447436, 4309295, 4989710, 8618590, 9480449, 9571171, 9979420, 17237180, 18960898, 19142342, 37921796, 38284684, 47402245, 47855855, 94804490, 95711710, 105282881, 181852249, 189608980, 191423420, 210565762, 363704498, 421131524, 526414405, 727408996, 909261245, 1052828810, 1818522490, 2000374739, 2105657620, 3637044980, 4000749478, 8001498956, 10001873695, 20003747390, 40007494780]

約数ペア:

[(1, 40007494780), (2, 20003747390), (4, 10001873695), (5, 8001498956), (10, 4000749478), (11, 3637044980), (19, 2105657620), (20, 2000374739), (22, 1818522490), (38, 1052828810), (44, 909261245), (55, 727408996), (76, 526414405), (95, 421131524), (110, 363704498), (190, 210565762), (209, 191423420), (211, 189608980), (220, 181852249), (380, 105282881), (418, 95711710), (422, 94804490), (836, 47855855), (844, 47402245), (1045, 38284684), (1055, 37921796), (2090, 19142342), (2110, 18960898), (2321, 17237180), (4009, 9979420), (4180, 9571171), (4220, 9480449), (4642, 8618590), (8018, 4989710), (9284, 4309295), (11605, 3447436), (16036, 2494855), (20045, 1995884), (23210, 1723718), (40090, 997942), (44099, 907220), (45361, 881980), (46420, 861859), (80180, 498971), (88198, 453610), (90722, 440990), (176396, 226805), (181444, 220495)]