20107997680

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{821}}^1\times {\mathrm{5189}}^1$

素因数の和:6082

約数の個数: 80

約数和(自身を含む): 47610568800

約数和(自身を除く): 27502571120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 821, 944, 1180, 1642, 2360, 3284, 4105, 4720, 5189, 6568, 8210, 10378, 13136, 16420, 20756, 25945, 32840, 41512, 48439, 51890, 65680, 83024, 96878, 103780, 193756, 207560, 242195, 306151, 387512, 415120, 484390, 612302, 775024, 968780, 1224604, 1530755, 1937560, 2449208, 3061510, 3875120, 4260169, 4898416, 6123020, 8520338, 12246040, 17040676, 21300845, 24492080, 34081352, 42601690, 68162704, 85203380, 170406760, 251349971, 340813520, 502699942, 1005399884, 1256749855, 2010799768, 2513499710, 4021599536, 5026999420, 10053998840, 20107997680]

約数ペア:

[(1, 20107997680), (2, 10053998840), (4, 5026999420), (5, 4021599536), (8, 2513499710), (10, 2010799768), (16, 1256749855), (20, 1005399884), (40, 502699942), (59, 340813520), (80, 251349971), (118, 170406760), (236, 85203380), (295, 68162704), (472, 42601690), (590, 34081352), (821, 24492080), (944, 21300845), (1180, 17040676), (1642, 12246040), (2360, 8520338), (3284, 6123020), (4105, 4898416), (4720, 4260169), (5189, 3875120), (6568, 3061510), (8210, 2449208), (10378, 1937560), (13136, 1530755), (16420, 1224604), (20756, 968780), (25945, 775024), (32840, 612302), (41512, 484390), (48439, 415120), (51890, 387512), (65680, 306151), (83024, 242195), (96878, 207560), (103780, 193756)]