55374020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2393}}^1$

素因数の和:2504

約数の個数: 48

約数和(自身を含む): 126690480

約数和(自身を除く): 71316460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 2393, 4628, 4786, 5785, 9572, 11570, 11965, 23140, 23930, 31109, 47860, 62218, 124436, 155545, 212977, 311090, 425954, 622180, 851908, 1064885, 2129770, 2768701, 4259540, 5537402, 11074804, 13843505, 27687010, 55374020]

約数ペア:

[(1, 55374020), (2, 27687010), (4, 13843505), (5, 11074804), (10, 5537402), (13, 4259540), (20, 2768701), (26, 2129770), (52, 1064885), (65, 851908), (89, 622180), (130, 425954), (178, 311090), (260, 212977), (356, 155545), (445, 124436), (890, 62218), (1157, 47860), (1780, 31109), (2314, 23930), (2393, 23140), (4628, 11965), (4786, 11570), (5785, 9572)]