85813580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2269}}^1$

素因数の和:2370

約数の個数: 48

約数和(自身を含む): 189154560

約数和(自身を除く): 103340980

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 2269, 3782, 4538, 7564, 9076, 9455, 11345, 18910, 22690, 37820, 45380, 70339, 138409, 140678, 276818, 281356, 351695, 553636, 692045, 703390, 1384090, 1406780, 2768180, 4290679, 8581358, 17162716, 21453395, 42906790, 85813580]

約数ペア:

[(1, 85813580), (2, 42906790), (4, 21453395), (5, 17162716), (10, 8581358), (20, 4290679), (31, 2768180), (61, 1406780), (62, 1384090), (122, 703390), (124, 692045), (155, 553636), (244, 351695), (305, 281356), (310, 276818), (610, 140678), (620, 138409), (1220, 70339), (1891, 45380), (2269, 37820), (3782, 22690), (4538, 18910), (7564, 11345), (9076, 9455)]