25779820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 64120896

約数和(自身を除く): 38341076

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 61, 68, 85, 110, 113, 122, 170, 187, 220, 226, 244, 305, 340, 374, 452, 565, 610, 671, 748, 935, 1037, 1130, 1220, 1243, 1342, 1870, 1921, 2074, 2260, 2486, 2684, 3355, 3740, 3842, 4148, 4972, 5185, 6215, 6710, 6893, 7684, 9605, 10370, 11407, 12430, 13420, 13786, 19210, 20740, 21131, 22814, 24860, 27572, 34465, 38420, 42262, 45628, 57035, 68930, 75823, 84524, 105655, 114070, 117181, 137860, 151646, 211310, 228140, 234362, 303292, 379115, 422620, 468724, 585905, 758230, 1171810, 1288991, 1516460, 2343620, 2577982, 5155964, 6444955, 12889910, 25779820]

約数ペア:

[(1, 25779820), (2, 12889910), (4, 6444955), (5, 5155964), (10, 2577982), (11, 2343620), (17, 1516460), (20, 1288991), (22, 1171810), (34, 758230), (44, 585905), (55, 468724), (61, 422620), (68, 379115), (85, 303292), (110, 234362), (113, 228140), (122, 211310), (170, 151646), (187, 137860), (220, 117181), (226, 114070), (244, 105655), (305, 84524), (340, 75823), (374, 68930), (452, 57035), (565, 45628), (610, 42262), (671, 38420), (748, 34465), (935, 27572), (1037, 24860), (1130, 22814), (1220, 21131), (1243, 20740), (1342, 19210), (1870, 13786), (1921, 13420), (2074, 12430), (2260, 11407), (2486, 10370), (2684, 9605), (3355, 7684), (3740, 6893), (3842, 6710), (4148, 6215), (4972, 5185)]