4671920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5309}}^1$

素因数の和:5333

約数の個数: 40

約数和(自身を含む): 11851920

約数和(自身を除く): 7180000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 5309, 10618, 21236, 26545, 42472, 53090, 58399, 84944, 106180, 116798, 212360, 233596, 291995, 424720, 467192, 583990, 934384, 1167980, 2335960, 4671920]

約数ペア:

[(1, 4671920), (2, 2335960), (4, 1167980), (5, 934384), (8, 583990), (10, 467192), (11, 424720), (16, 291995), (20, 233596), (22, 212360), (40, 116798), (44, 106180), (55, 84944), (80, 58399), (88, 53090), (110, 42472), (176, 26545), (220, 21236), (440, 10618), (880, 5309)]