17979680

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1091}}^1$

素因数の和:1209

約数の個数: 48

約数和(自身を含む): 42928704

約数和(自身を除く): 24949024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1091, 1648, 2060, 2182, 3296, 4120, 4364, 5455, 8240, 8728, 10910, 16480, 17456, 21820, 34912, 43640, 87280, 112373, 174560, 224746, 449492, 561865, 898984, 1123730, 1797968, 2247460, 3595936, 4494920, 8989840, 17979680]

約数ペア:

[(1, 17979680), (2, 8989840), (4, 4494920), (5, 3595936), (8, 2247460), (10, 1797968), (16, 1123730), (20, 898984), (32, 561865), (40, 449492), (80, 224746), (103, 174560), (160, 112373), (206, 87280), (412, 43640), (515, 34912), (824, 21820), (1030, 17456), (1091, 16480), (1648, 10910), (2060, 8728), (2182, 8240), (3296, 5455), (4120, 4364)]