31137440

素因数分解:

$2^5\times 5^1\times {\mathrm{194609}}^1$

素因数の和:194624

約数の個数: 24

約数和(自身を含む): 73562580

約数和(自身を除く): 42425140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 194609, 389218, 778436, 973045, 1556872, 1946090, 3113744, 3892180, 6227488, 7784360, 15568720, 31137440]

約数ペア:

[(1, 31137440), (2, 15568720), (4, 7784360), (5, 6227488), (8, 3892180), (10, 3113744), (16, 1946090), (20, 1556872), (32, 973045), (40, 778436), (80, 389218), (160, 194609)]