31140640

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1019}}^1$

素因数の和:1225

約数の個数: 48

約数和(自身を含む): 74027520

約数和(自身を除く): 42886880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 764, 955, 1019, 1528, 1910, 2038, 3056, 3820, 4076, 5095, 6112, 7640, 8152, 10190, 15280, 16304, 20380, 30560, 32608, 40760, 81520, 163040, 194629, 389258, 778516, 973145, 1557032, 1946290, 3114064, 3892580, 6228128, 7785160, 15570320, 31140640]

約数ペア:

[(1, 31140640), (2, 15570320), (4, 7785160), (5, 6228128), (8, 3892580), (10, 3114064), (16, 1946290), (20, 1557032), (32, 973145), (40, 778516), (80, 389258), (160, 194629), (191, 163040), (382, 81520), (764, 40760), (955, 32608), (1019, 30560), (1528, 20380), (1910, 16304), (2038, 15280), (3056, 10190), (3820, 8152), (4076, 7640), (5095, 6112)]