3805280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1431

約数の個数: 48

約数和(自身を含む): 9525600

約数和(自身を除く): 5720320

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, 1399, 2720, 2798, 5596, 6995, 11192, 13990, 22384, 23783, 27980, 44768, 47566, 55960, 95132, 111920, 118915, 190264, 223840, 237830, 380528, 475660, 761056, 951320, 1902640, 3805280]

約数ペア:

[(1, 3805280), (2, 1902640), (4, 951320), (5, 761056), (8, 475660), (10, 380528), (16, 237830), (17, 223840), (20, 190264), (32, 118915), (34, 111920), (40, 95132), (68, 55960), (80, 47566), (85, 44768), (136, 27980), (160, 23783), (170, 22384), (272, 13990), (340, 11192), (544, 6995), (680, 5596), (1360, 2798), (1399, 2720)]