4380920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3533}}^1$

素因数の和:3575

約数の個数: 32

約数和(自身を含む): 10177920

約数和(自身を除く): 5797000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 3533, 7066, 14132, 17665, 28264, 35330, 70660, 109523, 141320, 219046, 438092, 547615, 876184, 1095230, 2190460, 4380920]

約数ペア:

[(1, 4380920), (2, 2190460), (4, 1095230), (5, 876184), (8, 547615), (10, 438092), (20, 219046), (31, 141320), (40, 109523), (62, 70660), (124, 35330), (155, 28264), (248, 17665), (310, 14132), (620, 7066), (1240, 3533)]