61572940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21529}}^1$

素因数の和:21562

約数の個数: 48

約数和(自身を含む): 151915680

約数和(自身を除く): 90342740

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 21529, 43058, 86116, 107645, 215290, 236819, 279877, 430580, 473638, 559754, 947276, 1119508, 1184095, 1399385, 2368190, 2798770, 3078647, 4736380, 5597540, 6157294, 12314588, 15393235, 30786470, 61572940]

約数ペア:

[(1, 61572940), (2, 30786470), (4, 15393235), (5, 12314588), (10, 6157294), (11, 5597540), (13, 4736380), (20, 3078647), (22, 2798770), (26, 2368190), (44, 1399385), (52, 1184095), (55, 1119508), (65, 947276), (110, 559754), (130, 473638), (143, 430580), (220, 279877), (260, 236819), (286, 215290), (572, 107645), (715, 86116), (1430, 43058), (2860, 21529)]