17557840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 43028496

約数和(自身を除く): 25470656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 53, 80, 82, 101, 106, 164, 202, 205, 212, 265, 328, 404, 410, 424, 505, 530, 656, 808, 820, 848, 1010, 1060, 1616, 1640, 2020, 2120, 2173, 3280, 4040, 4141, 4240, 4346, 5353, 8080, 8282, 8692, 10706, 10865, 16564, 17384, 20705, 21412, 21730, 26765, 33128, 34768, 41410, 42824, 43460, 53530, 66256, 82820, 85648, 86920, 107060, 165640, 173840, 214120, 219473, 331280, 428240, 438946, 877892, 1097365, 1755784, 2194730, 3511568, 4389460, 8778920, 17557840]

約数ペア:

[(1, 17557840), (2, 8778920), (4, 4389460), (5, 3511568), (8, 2194730), (10, 1755784), (16, 1097365), (20, 877892), (40, 438946), (41, 428240), (53, 331280), (80, 219473), (82, 214120), (101, 173840), (106, 165640), (164, 107060), (202, 86920), (205, 85648), (212, 82820), (265, 66256), (328, 53530), (404, 43460), (410, 42824), (424, 41410), (505, 34768), (530, 33128), (656, 26765), (808, 21730), (820, 21412), (848, 20705), (1010, 17384), (1060, 16564), (1616, 10865), (1640, 10706), (2020, 8692), (2120, 8282), (2173, 8080), (3280, 5353), (4040, 4346), (4141, 4240)]