2013649840

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1\times {\mathrm{503}}^1$

素因数の和:986

約数の個数: 80

約数和(自身を含む): 4735196928

約数和(自身を除く): 2721547088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 307, 326, 503, 614, 652, 815, 1006, 1228, 1304, 1535, 1630, 2012, 2456, 2515, 2608, 3070, 3260, 4024, 4912, 5030, 6140, 6520, 8048, 10060, 12280, 13040, 20120, 24560, 40240, 50041, 81989, 100082, 154421, 163978, 200164, 250205, 308842, 327956, 400328, 409945, 500410, 617684, 655912, 772105, 800656, 819890, 1000820, 1235368, 1311824, 1544210, 1639780, 2001640, 2470736, 3088420, 3279560, 4003280, 6176840, 6559120, 12353680, 25170623, 50341246, 100682492, 125853115, 201364984, 251706230, 402729968, 503412460, 1006824920, 2013649840]

約数ペア:

[(1, 2013649840), (2, 1006824920), (4, 503412460), (5, 402729968), (8, 251706230), (10, 201364984), (16, 125853115), (20, 100682492), (40, 50341246), (80, 25170623), (163, 12353680), (307, 6559120), (326, 6176840), (503, 4003280), (614, 3279560), (652, 3088420), (815, 2470736), (1006, 2001640), (1228, 1639780), (1304, 1544210), (1535, 1311824), (1630, 1235368), (2012, 1000820), (2456, 819890), (2515, 800656), (2608, 772105), (3070, 655912), (3260, 617684), (4024, 500410), (4912, 409945), (5030, 400328), (6140, 327956), (6520, 308842), (8048, 250205), (10060, 200164), (12280, 163978), (13040, 154421), (20120, 100082), (24560, 81989), (40240, 50041)]