38780200

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2731}}^1$

素因数の和:2818

約数の個数: 48

約数和(自身を含む): 91467360

約数和(自身を除く): 52687160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2731, 2840, 3550, 5462, 7100, 10924, 13655, 14200, 21848, 27310, 54620, 68275, 109240, 136550, 193901, 273100, 387802, 546200, 775604, 969505, 1551208, 1939010, 3878020, 4847525, 7756040, 9695050, 19390100, 38780200]

約数ペア:

[(1, 38780200), (2, 19390100), (4, 9695050), (5, 7756040), (8, 4847525), (10, 3878020), (20, 1939010), (25, 1551208), (40, 969505), (50, 775604), (71, 546200), (100, 387802), (142, 273100), (200, 193901), (284, 136550), (355, 109240), (568, 68275), (710, 54620), (1420, 27310), (1775, 21848), (2731, 14200), (2840, 13655), (3550, 10924), (5462, 7100)]