82800880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{569}}^1$

素因数の和:706

約数の個数: 80

約数和(自身を含む): 206102880

約数和(自身を除く): 123302000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 107, 136, 170, 214, 272, 340, 428, 535, 569, 680, 856, 1070, 1138, 1360, 1712, 1819, 2140, 2276, 2845, 3638, 4280, 4552, 5690, 7276, 8560, 9095, 9104, 9673, 11380, 14552, 18190, 19346, 22760, 29104, 36380, 38692, 45520, 48365, 60883, 72760, 77384, 96730, 121766, 145520, 154768, 193460, 243532, 304415, 386920, 487064, 608830, 773840, 974128, 1035011, 1217660, 2070022, 2435320, 4140044, 4870640, 5175055, 8280088, 10350110, 16560176, 20700220, 41400440, 82800880]

約数ペア:

[(1, 82800880), (2, 41400440), (4, 20700220), (5, 16560176), (8, 10350110), (10, 8280088), (16, 5175055), (17, 4870640), (20, 4140044), (34, 2435320), (40, 2070022), (68, 1217660), (80, 1035011), (85, 974128), (107, 773840), (136, 608830), (170, 487064), (214, 386920), (272, 304415), (340, 243532), (428, 193460), (535, 154768), (569, 145520), (680, 121766), (856, 96730), (1070, 77384), (1138, 72760), (1360, 60883), (1712, 48365), (1819, 45520), (2140, 38692), (2276, 36380), (2845, 29104), (3638, 22760), (4280, 19346), (4552, 18190), (5690, 14552), (7276, 11380), (8560, 9673), (9095, 9104)]