328857920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{33151}}^1$

素因数の和:33199

約数の個数: 56

約数和(自身を含む): 808378368

約数和(自身を除く): 479520448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 33151, 66302, 132604, 165755, 265208, 331510, 530416, 663020, 1027681, 1060832, 1326040, 2055362, 2121664, 2652080, 4110724, 5138405, 5304160, 8221448, 10276810, 10608320, 16442896, 20553620, 32885792, 41107240, 65771584, 82214480, 164428960, 328857920]

約数ペア:

[(1, 328857920), (2, 164428960), (4, 82214480), (5, 65771584), (8, 41107240), (10, 32885792), (16, 20553620), (20, 16442896), (31, 10608320), (32, 10276810), (40, 8221448), (62, 5304160), (64, 5138405), (80, 4110724), (124, 2652080), (155, 2121664), (160, 2055362), (248, 1326040), (310, 1060832), (320, 1027681), (496, 663020), (620, 530416), (992, 331510), (1240, 265208), (1984, 165755), (2480, 132604), (4960, 66302), (9920, 33151)]