40180660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^2$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 95308920

約数和(自身を除く): 55128260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 73, 116, 130, 145, 146, 260, 290, 292, 365, 377, 580, 730, 754, 949, 1460, 1508, 1885, 1898, 2117, 3770, 3796, 4234, 4745, 5329, 7540, 8468, 9490, 10585, 10658, 18980, 21170, 21316, 26645, 27521, 42340, 53290, 55042, 69277, 106580, 110084, 137605, 138554, 154541, 275210, 277108, 309082, 346385, 550420, 618164, 692770, 772705, 1385540, 1545410, 2009033, 3090820, 4018066, 8036132, 10045165, 20090330, 40180660]

約数ペア:

[(1, 40180660), (2, 20090330), (4, 10045165), (5, 8036132), (10, 4018066), (13, 3090820), (20, 2009033), (26, 1545410), (29, 1385540), (52, 772705), (58, 692770), (65, 618164), (73, 550420), (116, 346385), (130, 309082), (145, 277108), (146, 275210), (260, 154541), (290, 138554), (292, 137605), (365, 110084), (377, 106580), (580, 69277), (730, 55042), (754, 53290), (949, 42340), (1460, 27521), (1508, 26645), (1885, 21316), (1898, 21170), (2117, 18980), (3770, 10658), (3796, 10585), (4234, 9490), (4745, 8468), (5329, 7540)]