38735320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 94641120

約数和(自身を除く): 55905800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 163, 260, 326, 457, 520, 652, 815, 914, 1304, 1630, 1828, 2119, 2285, 3260, 3656, 4238, 4570, 5941, 6520, 8476, 9140, 10595, 11882, 16952, 18280, 21190, 23764, 29705, 42380, 47528, 59410, 74491, 84760, 118820, 148982, 237640, 297964, 372455, 595928, 744910, 968383, 1489820, 1936766, 2979640, 3873532, 4841915, 7747064, 9683830, 19367660, 38735320]

約数ペア:

[(1, 38735320), (2, 19367660), (4, 9683830), (5, 7747064), (8, 4841915), (10, 3873532), (13, 2979640), (20, 1936766), (26, 1489820), (40, 968383), (52, 744910), (65, 595928), (104, 372455), (130, 297964), (163, 237640), (260, 148982), (326, 118820), (457, 84760), (520, 74491), (652, 59410), (815, 47528), (914, 42380), (1304, 29705), (1630, 23764), (1828, 21190), (2119, 18280), (2285, 16952), (3260, 11882), (3656, 10595), (4238, 9140), (4570, 8476), (5941, 6520)]