17502920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6163}}^1$

素因数の和:6245

約数の個数: 32

約数和(自身を含む): 39942720

約数和(自身を除く): 22439800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 6163, 12326, 24652, 30815, 49304, 61630, 123260, 246520, 437573, 875146, 1750292, 2187865, 3500584, 4375730, 8751460, 17502920]

約数ペア:

[(1, 17502920), (2, 8751460), (4, 4375730), (5, 3500584), (8, 2187865), (10, 1750292), (20, 875146), (40, 437573), (71, 246520), (142, 123260), (284, 61630), (355, 49304), (568, 30815), (710, 24652), (1420, 12326), (2840, 6163)]