38500760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 91065600

約数和(自身を除く): 52564840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 509, 610, 620, 1018, 1220, 1240, 1891, 2036, 2440, 2545, 3782, 4072, 5090, 7564, 9455, 10180, 15128, 15779, 18910, 20360, 31049, 31558, 37820, 62098, 63116, 75640, 78895, 124196, 126232, 155245, 157790, 248392, 310490, 315580, 620980, 631160, 962519, 1241960, 1925038, 3850076, 4812595, 7700152, 9625190, 19250380, 38500760]

約数ペア:

[(1, 38500760), (2, 19250380), (4, 9625190), (5, 7700152), (8, 4812595), (10, 3850076), (20, 1925038), (31, 1241960), (40, 962519), (61, 631160), (62, 620980), (122, 315580), (124, 310490), (155, 248392), (244, 157790), (248, 155245), (305, 126232), (310, 124196), (488, 78895), (509, 75640), (610, 63116), (620, 62098), (1018, 37820), (1220, 31558), (1240, 31049), (1891, 20360), (2036, 18910), (2440, 15779), (2545, 15128), (3782, 10180), (4072, 9455), (5090, 7564)]