38413720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 90266400

約数和(自身を除く): 51852680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 59, 82, 118, 164, 205, 236, 295, 328, 397, 410, 472, 590, 794, 820, 1180, 1588, 1640, 1985, 2360, 2419, 3176, 3970, 4838, 7940, 9676, 12095, 15880, 16277, 19352, 23423, 24190, 32554, 46846, 48380, 65108, 81385, 93692, 96760, 117115, 130216, 162770, 187384, 234230, 325540, 468460, 651080, 936920, 960343, 1920686, 3841372, 4801715, 7682744, 9603430, 19206860, 38413720]

約数ペア:

[(1, 38413720), (2, 19206860), (4, 9603430), (5, 7682744), (8, 4801715), (10, 3841372), (20, 1920686), (40, 960343), (41, 936920), (59, 651080), (82, 468460), (118, 325540), (164, 234230), (205, 187384), (236, 162770), (295, 130216), (328, 117115), (397, 96760), (410, 93692), (472, 81385), (590, 65108), (794, 48380), (820, 46846), (1180, 32554), (1588, 24190), (1640, 23423), (1985, 19352), (2360, 16277), (2419, 15880), (3176, 12095), (3970, 9676), (4838, 7940)]