18399870320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{108541}}^1$

素因数の和:108730

約数の個数: 80

約数和(自身を含む): 46353512352

約数和(自身を除く): 27953642032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 163, 208, 260, 326, 520, 652, 815, 1040, 1304, 1630, 2119, 2608, 3260, 4238, 6520, 8476, 10595, 13040, 16952, 21190, 33904, 42380, 84760, 108541, 169520, 217082, 434164, 542705, 868328, 1085410, 1411033, 1736656, 2170820, 2822066, 4341640, 5644132, 7055165, 8683280, 11288264, 14110330, 17692183, 22576528, 28220660, 35384366, 56441320, 70768732, 88460915, 112882640, 141537464, 176921830, 229998379, 283074928, 353843660, 459996758, 707687320, 919993516, 1149991895, 1415374640, 1839987032, 2299983790, 3679974064, 4599967580, 9199935160, 18399870320]

約数ペア:

[(1, 18399870320), (2, 9199935160), (4, 4599967580), (5, 3679974064), (8, 2299983790), (10, 1839987032), (13, 1415374640), (16, 1149991895), (20, 919993516), (26, 707687320), (40, 459996758), (52, 353843660), (65, 283074928), (80, 229998379), (104, 176921830), (130, 141537464), (163, 112882640), (208, 88460915), (260, 70768732), (326, 56441320), (520, 35384366), (652, 28220660), (815, 22576528), (1040, 17692183), (1304, 14110330), (1630, 11288264), (2119, 8683280), (2608, 7055165), (3260, 5644132), (4238, 4341640), (6520, 2822066), (8476, 2170820), (10595, 1736656), (13040, 1411033), (16952, 1085410), (21190, 868328), (33904, 542705), (42380, 434164), (84760, 217082), (108541, 169520)]