8872840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7649}}^1$

素因数の和:7689

約数の個数: 32

約数和(自身を含む): 20655000

約数和(自身を除く): 11782160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 7649, 15298, 30596, 38245, 61192, 76490, 152980, 221821, 305960, 443642, 887284, 1109105, 1774568, 2218210, 4436420, 8872840]

約数ペア:

[(1, 8872840), (2, 4436420), (4, 2218210), (5, 1774568), (8, 1109105), (10, 887284), (20, 443642), (29, 305960), (40, 221821), (58, 152980), (116, 76490), (145, 61192), (232, 38245), (290, 30596), (580, 15298), (1160, 7649)]