822978040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{1601}}^1$

素因数の和:1864

約数の個数: 64

約数和(自身を含む): 1889334720

約数和(自身を除く): 1066356680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 181, 284, 355, 362, 568, 710, 724, 905, 1420, 1448, 1601, 1810, 2840, 3202, 3620, 6404, 7240, 8005, 12808, 12851, 16010, 25702, 32020, 51404, 64040, 64255, 102808, 113671, 128510, 227342, 257020, 289781, 454684, 514040, 568355, 579562, 909368, 1136710, 1159124, 1448905, 2273420, 2318248, 2897810, 4546840, 5795620, 11591240, 20574451, 41148902, 82297804, 102872255, 164595608, 205744510, 411489020, 822978040]

約数ペア:

[(1, 822978040), (2, 411489020), (4, 205744510), (5, 164595608), (8, 102872255), (10, 82297804), (20, 41148902), (40, 20574451), (71, 11591240), (142, 5795620), (181, 4546840), (284, 2897810), (355, 2318248), (362, 2273420), (568, 1448905), (710, 1159124), (724, 1136710), (905, 909368), (1420, 579562), (1448, 568355), (1601, 514040), (1810, 454684), (2840, 289781), (3202, 257020), (3620, 227342), (6404, 128510), (7240, 113671), (8005, 102808), (12808, 64255), (12851, 64040), (16010, 51404), (25702, 32020)]