64268380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4789}}^1$

素因数の和:4870

約数の個数: 48

約数和(自身を含む): 149677920

約数和(自身を除く): 85409540

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, 4789, 6710, 9578, 13420, 19156, 23945, 47890, 52679, 95780, 105358, 210716, 263395, 292129, 526790, 584258, 1053580, 1168516, 1460645, 2921290, 3213419, 5842580, 6426838, 12853676, 16067095, 32134190, 64268380]

約数ペア:

[(1, 64268380), (2, 32134190), (4, 16067095), (5, 12853676), (10, 6426838), (11, 5842580), (20, 3213419), (22, 2921290), (44, 1460645), (55, 1168516), (61, 1053580), (110, 584258), (122, 526790), (220, 292129), (244, 263395), (305, 210716), (610, 105358), (671, 95780), (1220, 52679), (1342, 47890), (2684, 23945), (3355, 19156), (4789, 13420), (6710, 9578)]