4640080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1915

約数の個数: 40

約数和(自身を含む): 11142144

約数和(自身を除く): 6502064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 1871, 2480, 3742, 7484, 9355, 14968, 18710, 29936, 37420, 58001, 74840, 116002, 149680, 232004, 290005, 464008, 580010, 928016, 1160020, 2320040, 4640080]

約数ペア:

[(1, 4640080), (2, 2320040), (4, 1160020), (5, 928016), (8, 580010), (10, 464008), (16, 290005), (20, 232004), (31, 149680), (40, 116002), (62, 74840), (80, 58001), (124, 37420), (155, 29936), (248, 18710), (310, 14968), (496, 9355), (620, 7484), (1240, 3742), (1871, 2480)]