89525960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 209260800

約数和(自身を除く): 119734840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 79, 82, 158, 164, 205, 316, 328, 395, 410, 632, 691, 790, 820, 1382, 1580, 1640, 2764, 3160, 3239, 3455, 5528, 6478, 6910, 12956, 13820, 16195, 25912, 27640, 28331, 32390, 54589, 56662, 64780, 109178, 113324, 129560, 141655, 218356, 226648, 272945, 283310, 436712, 545890, 566620, 1091780, 1133240, 2183560, 2238149, 4476298, 8952596, 11190745, 17905192, 22381490, 44762980, 89525960]

約数ペア:

[(1, 89525960), (2, 44762980), (4, 22381490), (5, 17905192), (8, 11190745), (10, 8952596), (20, 4476298), (40, 2238149), (41, 2183560), (79, 1133240), (82, 1091780), (158, 566620), (164, 545890), (205, 436712), (316, 283310), (328, 272945), (395, 226648), (410, 218356), (632, 141655), (691, 129560), (790, 113324), (820, 109178), (1382, 64780), (1580, 56662), (1640, 54589), (2764, 32390), (3160, 28331), (3239, 27640), (3455, 25912), (5528, 16195), (6478, 13820), (6910, 12956)]