9961816960

素因数分解:

$2^7\times 5^1\times {\mathrm{821}}^1\times {\mathrm{18959}}^1$

素因数の和:19799

約数の個数: 64

約数和(自身を含む): 23845233600

約数和(自身を除く): 13883416640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 821, 1642, 3284, 4105, 6568, 8210, 13136, 16420, 18959, 26272, 32840, 37918, 52544, 65680, 75836, 94795, 105088, 131360, 151672, 189590, 262720, 303344, 379180, 525440, 606688, 758360, 1213376, 1516720, 2426752, 3033440, 6066880, 12133760, 15565339, 31130678, 62261356, 77826695, 124522712, 155653390, 249045424, 311306780, 498090848, 622613560, 996181696, 1245227120, 1992363392, 2490454240, 4980908480, 9961816960]

約数ペア:

[(1, 9961816960), (2, 4980908480), (4, 2490454240), (5, 1992363392), (8, 1245227120), (10, 996181696), (16, 622613560), (20, 498090848), (32, 311306780), (40, 249045424), (64, 155653390), (80, 124522712), (128, 77826695), (160, 62261356), (320, 31130678), (640, 15565339), (821, 12133760), (1642, 6066880), (3284, 3033440), (4105, 2426752), (6568, 1516720), (8210, 1213376), (13136, 758360), (16420, 606688), (18959, 525440), (26272, 379180), (32840, 303344), (37918, 262720), (52544, 189590), (65680, 151672), (75836, 131360), (94795, 105088)]