39705420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21347}}^1$

素因数の和:21390

約数の個数: 48

約数和(自身を含む): 114766848

約数和(自身を除く): 75061428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 21347, 42694, 64041, 85388, 106735, 128082, 213470, 256164, 320205, 426940, 640410, 661757, 1280820, 1323514, 1985271, 2647028, 3308785, 3970542, 6617570, 7941084, 9926355, 13235140, 19852710, 39705420]

約数ペア:

[(1, 39705420), (2, 19852710), (3, 13235140), (4, 9926355), (5, 7941084), (6, 6617570), (10, 3970542), (12, 3308785), (15, 2647028), (20, 1985271), (30, 1323514), (31, 1280820), (60, 661757), (62, 640410), (93, 426940), (124, 320205), (155, 256164), (186, 213470), (310, 128082), (372, 106735), (465, 85388), (620, 64041), (930, 42694), (1860, 21347)]