31670980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{401}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 72938880

約数和(自身を除く): 41267900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 359, 401, 718, 802, 1436, 1604, 1795, 2005, 3590, 3949, 4010, 4411, 7180, 7898, 8020, 8822, 15796, 17644, 19745, 22055, 39490, 44110, 78980, 88220, 143959, 287918, 575836, 719795, 1439590, 1583549, 2879180, 3167098, 6334196, 7917745, 15835490, 31670980]

約数ペア:

[(1, 31670980), (2, 15835490), (4, 7917745), (5, 6334196), (10, 3167098), (11, 2879180), (20, 1583549), (22, 1439590), (44, 719795), (55, 575836), (110, 287918), (220, 143959), (359, 88220), (401, 78980), (718, 44110), (802, 39490), (1436, 22055), (1604, 19745), (1795, 17644), (2005, 15796), (3590, 8822), (3949, 8020), (4010, 7898), (4411, 7180)]