28867360

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10613}}^1$

素因数の和:10645

約数の個数: 48

約数和(自身を含む): 72217656

約数和(自身を除く): 43350296

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, 10613, 21226, 42452, 53065, 84904, 106130, 169808, 180421, 212260, 339616, 360842, 424520, 721684, 849040, 902105, 1443368, 1698080, 1804210, 2886736, 3608420, 5773472, 7216840, 14433680, 28867360]

約数ペア:

[(1, 28867360), (2, 14433680), (4, 7216840), (5, 5773472), (8, 3608420), (10, 2886736), (16, 1804210), (17, 1698080), (20, 1443368), (32, 902105), (34, 849040), (40, 721684), (68, 424520), (80, 360842), (85, 339616), (136, 212260), (160, 180421), (170, 169808), (272, 106130), (340, 84904), (544, 53065), (680, 42452), (1360, 21226), (2720, 10613)]