20165061278375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{2273}}^1\times {\mathrm{23431}}^1$

素因数の和:25965

約数の個数: 64

約数和(自身を含む): 27231295972608

約数和(自身を除く): 7066234694233

約数列:

[1, 5, 13, 25, 65, 125, 233, 325, 1165, 1625, 2273, 3029, 5825, 11365, 15145, 23431, 29125, 29549, 56825, 75725, 117155, 147745, 284125, 304603, 378625, 529609, 585775, 738725, 1523015, 2648045, 2928875, 3693625, 5459423, 6884917, 7615075, 13240225, 27297115, 34424585, 38075375, 53258663, 66201125, 70972499, 136485575, 172122925, 266293315, 354862495, 682427875, 692362619, 860614625, 1331466575, 1774312475, 3461813095, 6657332875, 8871562375, 12409268479, 17309065475, 62046342395, 86545327375, 161320490227, 310231711975, 806602451135, 1551158559875, 4033012255675, 20165061278375]

約数ペア:

[(1, 20165061278375), (5, 4033012255675), (13, 1551158559875), (25, 806602451135), (65, 310231711975), (125, 161320490227), (233, 86545327375), (325, 62046342395), (1165, 17309065475), (1625, 12409268479), (2273, 8871562375), (3029, 6657332875), (5825, 3461813095), (11365, 1774312475), (15145, 1331466575), (23431, 860614625), (29125, 692362619), (29549, 682427875), (56825, 354862495), (75725, 266293315), (117155, 172122925), (147745, 136485575), (284125, 70972499), (304603, 66201125), (378625, 53258663), (529609, 38075375), (585775, 34424585), (738725, 27297115), (1523015, 13240225), (2648045, 7615075), (2928875, 6884917), (3693625, 5459423)]