16019440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11779}}^1$

素因数の和:11809

約数の個数: 40

約数和(自身を含む): 39439440

約数和(自身を除く): 23420000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11779, 23558, 47116, 58895, 94232, 117790, 188464, 200243, 235580, 400486, 471160, 800972, 942320, 1001215, 1601944, 2002430, 3203888, 4004860, 8009720, 16019440]

約数ペア:

[(1, 16019440), (2, 8009720), (4, 4004860), (5, 3203888), (8, 2002430), (10, 1601944), (16, 1001215), (17, 942320), (20, 800972), (34, 471160), (40, 400486), (68, 235580), (80, 200243), (85, 188464), (136, 117790), (170, 94232), (272, 58895), (340, 47116), (680, 23558), (1360, 11779)]