47020180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 102735360

約数和(自身を除く): 55715180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 181, 310, 362, 419, 620, 724, 838, 905, 1676, 1810, 2095, 3620, 4190, 5611, 8380, 11222, 12989, 22444, 25978, 28055, 51956, 56110, 64945, 75839, 112220, 129890, 151678, 259780, 303356, 379195, 758390, 1516780, 2351009, 4702018, 9404036, 11755045, 23510090, 47020180]

約数ペア:

[(1, 47020180), (2, 23510090), (4, 11755045), (5, 9404036), (10, 4702018), (20, 2351009), (31, 1516780), (62, 758390), (124, 379195), (155, 303356), (181, 259780), (310, 151678), (362, 129890), (419, 112220), (620, 75839), (724, 64945), (838, 56110), (905, 51956), (1676, 28055), (1810, 25978), (2095, 22444), (3620, 12989), (4190, 11222), (5611, 8380)]