40756820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9221}}^1$

素因数の和:9260

約数の個数: 48

約数和(自身を含む): 97605648

約数和(自身を除く): 56848828

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 9221, 18442, 36884, 46105, 92210, 119873, 156757, 184420, 239746, 313514, 479492, 599365, 627028, 783785, 1198730, 1567570, 2037841, 2397460, 3135140, 4075682, 8151364, 10189205, 20378410, 40756820]

約数ペア:

[(1, 40756820), (2, 20378410), (4, 10189205), (5, 8151364), (10, 4075682), (13, 3135140), (17, 2397460), (20, 2037841), (26, 1567570), (34, 1198730), (52, 783785), (65, 627028), (68, 599365), (85, 479492), (130, 313514), (170, 239746), (221, 184420), (260, 156757), (340, 119873), (442, 92210), (884, 46105), (1105, 36884), (2210, 18442), (4420, 9221)]