66578480

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6553}}^1$

素因数の和:6693

約数の個数: 40

約数和(自身を含む): 156037632

約数和(自身を除く): 89459152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 6553, 10160, 13106, 26212, 32765, 52424, 65530, 104848, 131060, 262120, 524240, 832231, 1664462, 3328924, 4161155, 6657848, 8322310, 13315696, 16644620, 33289240, 66578480]

約数ペア:

[(1, 66578480), (2, 33289240), (4, 16644620), (5, 13315696), (8, 8322310), (10, 6657848), (16, 4161155), (20, 3328924), (40, 1664462), (80, 832231), (127, 524240), (254, 262120), (508, 131060), (635, 104848), (1016, 65530), (1270, 52424), (2032, 32765), (2540, 26212), (5080, 13106), (6553, 10160)]