42804920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 100038240

約数和(自身を除く): 57233320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 212, 244, 265, 305, 331, 424, 488, 530, 610, 662, 1060, 1220, 1324, 1655, 2120, 2440, 2648, 3233, 3310, 6466, 6620, 12932, 13240, 16165, 17543, 20191, 25864, 32330, 35086, 40382, 64660, 70172, 80764, 87715, 100955, 129320, 140344, 161528, 175430, 201910, 350860, 403820, 701720, 807640, 1070123, 2140246, 4280492, 5350615, 8560984, 10701230, 21402460, 42804920]

約数ペア:

[(1, 42804920), (2, 21402460), (4, 10701230), (5, 8560984), (8, 5350615), (10, 4280492), (20, 2140246), (40, 1070123), (53, 807640), (61, 701720), (106, 403820), (122, 350860), (212, 201910), (244, 175430), (265, 161528), (305, 140344), (331, 129320), (424, 100955), (488, 87715), (530, 80764), (610, 70172), (662, 64660), (1060, 40382), (1220, 35086), (1324, 32330), (1655, 25864), (2120, 20191), (2440, 17543), (2648, 16165), (3233, 13240), (3310, 12932), (6466, 6620)]