72752020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{953}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 167323968

約数和(自身を除く): 94571948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 347, 694, 953, 1388, 1735, 1906, 3470, 3812, 3817, 4765, 6940, 7634, 9530, 10483, 15268, 19060, 19085, 20966, 38170, 41932, 52415, 76340, 104830, 209660, 330691, 661382, 1322764, 1653455, 3306910, 3637601, 6613820, 7275202, 14550404, 18188005, 36376010, 72752020]

約数ペア:

[(1, 72752020), (2, 36376010), (4, 18188005), (5, 14550404), (10, 7275202), (11, 6613820), (20, 3637601), (22, 3306910), (44, 1653455), (55, 1322764), (110, 661382), (220, 330691), (347, 209660), (694, 104830), (953, 76340), (1388, 52415), (1735, 41932), (1906, 38170), (3470, 20966), (3812, 19085), (3817, 19060), (4765, 15268), (6940, 10483), (7634, 9530)]