788366960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{138797}}^1$

素因数の和:138881

約数の個数: 40

約数和(自身を含む): 1858782816

約数和(自身を除く): 1070415856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 138797, 277594, 555188, 693985, 1110376, 1387970, 2220752, 2775940, 5551880, 9854587, 11103760, 19709174, 39418348, 49272935, 78836696, 98545870, 157673392, 197091740, 394183480, 788366960]

約数ペア:

[(1, 788366960), (2, 394183480), (4, 197091740), (5, 157673392), (8, 98545870), (10, 78836696), (16, 49272935), (20, 39418348), (40, 19709174), (71, 11103760), (80, 9854587), (142, 5551880), (284, 2775940), (355, 2220752), (568, 1387970), (710, 1110376), (1136, 693985), (1420, 555188), (2840, 277594), (5680, 138797)]