31675020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40609}}^1$

素因数の和:40634

約数の個数: 48

約数和(自身を含む): 95514720

約数和(自身を除く): 63839700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40609, 81218, 121827, 162436, 203045, 243654, 406090, 487308, 527917, 609135, 812180, 1055834, 1218270, 1583751, 2111668, 2436540, 2639585, 3167502, 5279170, 6335004, 7918755, 10558340, 15837510, 31675020]

約数ペア:

[(1, 31675020), (2, 15837510), (3, 10558340), (4, 7918755), (5, 6335004), (6, 5279170), (10, 3167502), (12, 2639585), (13, 2436540), (15, 2111668), (20, 1583751), (26, 1218270), (30, 1055834), (39, 812180), (52, 609135), (60, 527917), (65, 487308), (78, 406090), (130, 243654), (156, 203045), (195, 162436), (260, 121827), (390, 81218), (780, 40609)]