28742240

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10567}}^1$

素因数の和:10599

約数の個数: 48

約数和(自身を含む): 71904672

約数和(自身を除く): 43162432

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 10567, 21134, 42268, 52835, 84536, 105670, 169072, 179639, 211340, 338144, 359278, 422680, 718556, 845360, 898195, 1437112, 1690720, 1796390, 2874224, 3592780, 5748448, 7185560, 14371120, 28742240]

約数ペア:

[(1, 28742240), (2, 14371120), (4, 7185560), (5, 5748448), (8, 3592780), (10, 2874224), (16, 1796390), (17, 1690720), (20, 1437112), (32, 898195), (34, 845360), (40, 718556), (68, 422680), (80, 359278), (85, 338144), (136, 211340), (160, 179639), (170, 169072), (272, 105670), (340, 84536), (544, 52835), (680, 42268), (1360, 21134), (2720, 10567)]