87860740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6547}}^1$

素因数の和:6628

約数の個数: 48

約数和(自身を含む): 204611904

約数和(自身を除く): 116751164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6547, 6710, 13094, 13420, 26188, 32735, 65470, 72017, 130940, 144034, 288068, 360085, 399367, 720170, 798734, 1440340, 1597468, 1996835, 3993670, 4393037, 7987340, 8786074, 17572148, 21965185, 43930370, 87860740]

約数ペア:

[(1, 87860740), (2, 43930370), (4, 21965185), (5, 17572148), (10, 8786074), (11, 7987340), (20, 4393037), (22, 3993670), (44, 1996835), (55, 1597468), (61, 1440340), (110, 798734), (122, 720170), (220, 399367), (244, 360085), (305, 288068), (610, 144034), (671, 130940), (1220, 72017), (1342, 65470), (2684, 32735), (3355, 26188), (6547, 13420), (6710, 13094)]