20212460500

素因数分解:

$2^2\times 5^3\times {\mathrm{107}}^1\times {\mathrm{467}}^1\times {\mathrm{809}}^1$

素因数の和:1402

約数の個数: 96

約数和(自身を含む): 44707178880

約数和(自身を除く): 24494718380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 125, 214, 250, 428, 467, 500, 535, 809, 934, 1070, 1618, 1868, 2140, 2335, 2675, 3236, 4045, 4670, 5350, 8090, 9340, 10700, 11675, 13375, 16180, 20225, 23350, 26750, 40450, 46700, 49969, 53500, 58375, 80900, 86563, 99938, 101125, 116750, 173126, 199876, 202250, 233500, 249845, 346252, 377803, 404500, 432815, 499690, 755606, 865630, 999380, 1249225, 1511212, 1731260, 1889015, 2164075, 2498450, 3778030, 4328150, 4996900, 6246125, 7556060, 8656300, 9445075, 10820375, 12492250, 18890150, 21640750, 24984500, 37780300, 40424921, 43281500, 47225375, 80849842, 94450750, 161699684, 188901500, 202124605, 404249210, 808498420, 1010623025, 2021246050, 4042492100, 5053115125, 10106230250, 20212460500]

約数ペア:

[(1, 20212460500), (2, 10106230250), (4, 5053115125), (5, 4042492100), (10, 2021246050), (20, 1010623025), (25, 808498420), (50, 404249210), (100, 202124605), (107, 188901500), (125, 161699684), (214, 94450750), (250, 80849842), (428, 47225375), (467, 43281500), (500, 40424921), (535, 37780300), (809, 24984500), (934, 21640750), (1070, 18890150), (1618, 12492250), (1868, 10820375), (2140, 9445075), (2335, 8656300), (2675, 7556060), (3236, 6246125), (4045, 4996900), (4670, 4328150), (5350, 3778030), (8090, 2498450), (9340, 2164075), (10700, 1889015), (11675, 1731260), (13375, 1511212), (16180, 1249225), (20225, 999380), (23350, 865630), (26750, 755606), (40450, 499690), (46700, 432815), (49969, 404500), (53500, 377803), (58375, 346252), (80900, 249845), (86563, 233500), (99938, 202250), (101125, 199876), (116750, 173126)]