18560320

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1919

約数の個数: 56

約数和(自身を含む): 45646848

約数和(自身を除く): 27086528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1871, 1984, 2480, 3742, 4960, 7484, 9355, 9920, 14968, 18710, 29936, 37420, 58001, 59872, 74840, 116002, 119744, 149680, 232004, 290005, 299360, 464008, 580010, 598720, 928016, 1160020, 1856032, 2320040, 3712064, 4640080, 9280160, 18560320]

約数ペア:

[(1, 18560320), (2, 9280160), (4, 4640080), (5, 3712064), (8, 2320040), (10, 1856032), (16, 1160020), (20, 928016), (31, 598720), (32, 580010), (40, 464008), (62, 299360), (64, 290005), (80, 232004), (124, 149680), (155, 119744), (160, 116002), (248, 74840), (310, 59872), (320, 58001), (496, 37420), (620, 29936), (992, 18710), (1240, 14968), (1871, 9920), (1984, 9355), (2480, 7484), (3742, 4960)]