8870620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 20686176

約数和(自身を除く): 11815556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 661, 671, 1220, 1322, 1342, 2644, 2684, 3305, 3355, 6610, 6710, 7271, 13220, 13420, 14542, 29084, 36355, 40321, 72710, 80642, 145420, 161284, 201605, 403210, 443531, 806420, 887062, 1774124, 2217655, 4435310, 8870620]

約数ペア:

[(1, 8870620), (2, 4435310), (4, 2217655), (5, 1774124), (10, 887062), (11, 806420), (20, 443531), (22, 403210), (44, 201605), (55, 161284), (61, 145420), (110, 80642), (122, 72710), (220, 40321), (244, 36355), (305, 29084), (610, 14542), (661, 13420), (671, 13220), (1220, 7271), (1322, 6710), (1342, 6610), (2644, 3355), (2684, 3305)]