18343854640

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1\times {\mathrm{5501}}^1$

素因数の和:6158

約数の個数: 80

約数和(自身を含む): 43317290016

約数和(自身を除く): 24973435376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 571, 584, 730, 1142, 1168, 1460, 2284, 2855, 2920, 4568, 5501, 5710, 5840, 9136, 11002, 11420, 22004, 22840, 27505, 41683, 44008, 45680, 55010, 83366, 88016, 110020, 166732, 208415, 220040, 333464, 401573, 416830, 440080, 666928, 803146, 833660, 1606292, 1667320, 2007865, 3141071, 3212584, 3334640, 4015730, 6282142, 6425168, 8031460, 12564284, 15705355, 16062920, 25128568, 31410710, 32125840, 50257136, 62821420, 125642840, 229298183, 251285680, 458596366, 917192732, 1146490915, 1834385464, 2292981830, 3668770928, 4585963660, 9171927320, 18343854640]

約数ペア:

[(1, 18343854640), (2, 9171927320), (4, 4585963660), (5, 3668770928), (8, 2292981830), (10, 1834385464), (16, 1146490915), (20, 917192732), (40, 458596366), (73, 251285680), (80, 229298183), (146, 125642840), (292, 62821420), (365, 50257136), (571, 32125840), (584, 31410710), (730, 25128568), (1142, 16062920), (1168, 15705355), (1460, 12564284), (2284, 8031460), (2855, 6425168), (2920, 6282142), (4568, 4015730), (5501, 3334640), (5710, 3212584), (5840, 3141071), (9136, 2007865), (11002, 1667320), (11420, 1606292), (22004, 833660), (22840, 803146), (27505, 666928), (41683, 440080), (44008, 416830), (45680, 401573), (55010, 333464), (83366, 220040), (88016, 208415), (110020, 166732)]