43638920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83921}}^1$

素因数の和:83945

約数の個数: 32

約数和(自身を含む): 105741720

約数和(自身を除く): 62102800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 83921, 167842, 335684, 419605, 671368, 839210, 1090973, 1678420, 2181946, 3356840, 4363892, 5454865, 8727784, 10909730, 21819460, 43638920]

約数ペア:

[(1, 43638920), (2, 21819460), (4, 10909730), (5, 8727784), (8, 5454865), (10, 4363892), (13, 3356840), (20, 2181946), (26, 1678420), (40, 1090973), (52, 839210), (65, 671368), (104, 419605), (130, 335684), (260, 167842), (520, 83921)]