28048180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 64028160

約数和(自身を除く): 35979980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2381, 2945, 4762, 5890, 9524, 11780, 11905, 23810, 45239, 47620, 73811, 90478, 147622, 180956, 226195, 295244, 369055, 452390, 738110, 904780, 1402409, 1476220, 2804818, 5609636, 7012045, 14024090, 28048180]

約数ペア:

[(1, 28048180), (2, 14024090), (4, 7012045), (5, 5609636), (10, 2804818), (19, 1476220), (20, 1402409), (31, 904780), (38, 738110), (62, 452390), (76, 369055), (95, 295244), (124, 226195), (155, 180956), (190, 147622), (310, 90478), (380, 73811), (589, 47620), (620, 45239), (1178, 23810), (2356, 11905), (2381, 11780), (2945, 9524), (4762, 5890)]