64627880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{941}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 155656080

約数和(自身を除く): 91028200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 101, 136, 170, 202, 340, 404, 505, 680, 808, 941, 1010, 1717, 1882, 2020, 3434, 3764, 4040, 4705, 6868, 7528, 8585, 9410, 13736, 15997, 17170, 18820, 31994, 34340, 37640, 63988, 68680, 79985, 95041, 127976, 159970, 190082, 319940, 380164, 475205, 639880, 760328, 950410, 1615697, 1900820, 3231394, 3801640, 6462788, 8078485, 12925576, 16156970, 32313940, 64627880]

約数ペア:

[(1, 64627880), (2, 32313940), (4, 16156970), (5, 12925576), (8, 8078485), (10, 6462788), (17, 3801640), (20, 3231394), (34, 1900820), (40, 1615697), (68, 950410), (85, 760328), (101, 639880), (136, 475205), (170, 380164), (202, 319940), (340, 190082), (404, 159970), (505, 127976), (680, 95041), (808, 79985), (941, 68680), (1010, 63988), (1717, 37640), (1882, 34340), (2020, 31994), (3434, 18820), (3764, 17170), (4040, 15997), (4705, 13736), (6868, 9410), (7528, 8585)]