2001640240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{807113}}^1$

素因数の和:807157

約数の個数: 40

約数和(自身を含む): 4803942528

約数和(自身を除く): 2802302288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 807113, 1614226, 3228452, 4035565, 6456904, 8071130, 12913808, 16142260, 25020503, 32284520, 50041006, 64569040, 100082012, 125102515, 200164024, 250205030, 400328048, 500410060, 1000820120, 2001640240]

約数ペア:

[(1, 2001640240), (2, 1000820120), (4, 500410060), (5, 400328048), (8, 250205030), (10, 200164024), (16, 125102515), (20, 100082012), (31, 64569040), (40, 50041006), (62, 32284520), (80, 25020503), (124, 16142260), (155, 12913808), (248, 8071130), (310, 6456904), (496, 4035565), (620, 3228452), (1240, 1614226), (2480, 807113)]