84980320

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8707}}^1$

素因数の和:8783

約数の個数: 48

約数和(自身を含む): 204080688

約数和(自身を除く): 119100368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 8707, 9760, 17414, 34828, 43535, 69656, 87070, 139312, 174140, 278624, 348280, 531127, 696560, 1062254, 1393120, 2124508, 2655635, 4249016, 5311270, 8498032, 10622540, 16996064, 21245080, 42490160, 84980320]

約数ペア:

[(1, 84980320), (2, 42490160), (4, 21245080), (5, 16996064), (8, 10622540), (10, 8498032), (16, 5311270), (20, 4249016), (32, 2655635), (40, 2124508), (61, 1393120), (80, 1062254), (122, 696560), (160, 531127), (244, 348280), (305, 278624), (488, 174140), (610, 139312), (976, 87070), (1220, 69656), (1952, 43535), (2440, 34828), (4880, 17414), (8707, 9760)]