69943250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{21521}}^1$

素因数の和:21551

約数の個数: 32

約数和(自身を含む): 141012144

約数和(自身を除く): 71068894

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 21521, 43042, 107605, 215210, 279773, 538025, 559546, 1076050, 1398865, 2690125, 2797730, 5380250, 6994325, 13988650, 34971625, 69943250]

約数ペア:

[(1, 69943250), (2, 34971625), (5, 13988650), (10, 6994325), (13, 5380250), (25, 2797730), (26, 2690125), (50, 1398865), (65, 1076050), (125, 559546), (130, 538025), (250, 279773), (325, 215210), (650, 107605), (1625, 43042), (3250, 21521)]