39940260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4789}}^1$

素因数の和:4940

約数の個数: 48

約数和(自身を含む): 112660800

約数和(自身を除く): 72720540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 4789, 8340, 9578, 14367, 19156, 23945, 28734, 47890, 57468, 71835, 95780, 143670, 287340, 665671, 1331342, 1997013, 2662684, 3328355, 3994026, 6656710, 7988052, 9985065, 13313420, 19970130, 39940260]

約数ペア:

[(1, 39940260), (2, 19970130), (3, 13313420), (4, 9985065), (5, 7988052), (6, 6656710), (10, 3994026), (12, 3328355), (15, 2662684), (20, 1997013), (30, 1331342), (60, 665671), (139, 287340), (278, 143670), (417, 95780), (556, 71835), (695, 57468), (834, 47890), (1390, 28734), (1668, 23945), (2085, 19156), (2780, 14367), (4170, 9578), (4789, 8340)]