4508020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 10676736

約数和(自身を除く): 6168716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 661, 682, 1322, 1364, 1705, 2644, 3305, 3410, 6610, 6820, 7271, 13220, 14542, 20491, 29084, 36355, 40982, 72710, 81964, 102455, 145420, 204910, 225401, 409820, 450802, 901604, 1127005, 2254010, 4508020]

約数ペア:

[(1, 4508020), (2, 2254010), (4, 1127005), (5, 901604), (10, 450802), (11, 409820), (20, 225401), (22, 204910), (31, 145420), (44, 102455), (55, 81964), (62, 72710), (110, 40982), (124, 36355), (155, 29084), (220, 20491), (310, 14542), (341, 13220), (620, 7271), (661, 6820), (682, 6610), (1322, 3410), (1364, 3305), (1705, 2644)]