20211493250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{151681}}^1$

素因数の和:151752

約数の個数: 64

約数和(自身を含む): 41740459488

約数和(自身を除く): 21528966238

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 125, 130, 205, 250, 325, 410, 533, 650, 1025, 1066, 1625, 2050, 2665, 3250, 5125, 5330, 10250, 13325, 26650, 66625, 133250, 151681, 303362, 758405, 1516810, 1971853, 3792025, 3943706, 6218921, 7584050, 9859265, 12437842, 18960125, 19718530, 31094605, 37920250, 49296325, 62189210, 80845973, 98592650, 155473025, 161691946, 246481625, 310946050, 404229865, 492963250, 777365125, 808459730, 1554730250, 2021149325, 4042298650, 10105746625, 20211493250]

約数ペア:

[(1, 20211493250), (2, 10105746625), (5, 4042298650), (10, 2021149325), (13, 1554730250), (25, 808459730), (26, 777365125), (41, 492963250), (50, 404229865), (65, 310946050), (82, 246481625), (125, 161691946), (130, 155473025), (205, 98592650), (250, 80845973), (325, 62189210), (410, 49296325), (533, 37920250), (650, 31094605), (1025, 19718530), (1066, 18960125), (1625, 12437842), (2050, 9859265), (2665, 7584050), (3250, 6218921), (5125, 3943706), (5330, 3792025), (10250, 1971853), (13325, 1516810), (26650, 758405), (66625, 303362), (133250, 151681)]