200855920

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 481576320

約数和(自身を除く): 280720400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 79, 80, 122, 158, 244, 305, 316, 395, 488, 521, 610, 632, 790, 976, 1042, 1220, 1264, 1580, 2084, 2440, 2605, 3160, 4168, 4819, 4880, 5210, 6320, 8336, 9638, 10420, 19276, 20840, 24095, 31781, 38552, 41159, 41680, 48190, 63562, 77104, 82318, 96380, 127124, 158905, 164636, 192760, 205795, 254248, 317810, 329272, 385520, 411590, 508496, 635620, 658544, 823180, 1271240, 1646360, 2510699, 2542480, 3292720, 5021398, 10042796, 12553495, 20085592, 25106990, 40171184, 50213980, 100427960, 200855920]

約数ペア:

[(1, 200855920), (2, 100427960), (4, 50213980), (5, 40171184), (8, 25106990), (10, 20085592), (16, 12553495), (20, 10042796), (40, 5021398), (61, 3292720), (79, 2542480), (80, 2510699), (122, 1646360), (158, 1271240), (244, 823180), (305, 658544), (316, 635620), (395, 508496), (488, 411590), (521, 385520), (610, 329272), (632, 317810), (790, 254248), (976, 205795), (1042, 192760), (1220, 164636), (1264, 158905), (1580, 127124), (2084, 96380), (2440, 82318), (2605, 77104), (3160, 63562), (4168, 48190), (4819, 41680), (4880, 41159), (5210, 38552), (6320, 31781), (8336, 24095), (9638, 20840), (10420, 19276)]