18089778880

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3325327}}^1$

素因数の和:3325361

約数の個数: 56

約数和(自身を含む): 45610198848

約数和(自身を除く): 27520419968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 3325327, 6650654, 13301308, 16626635, 26602616, 33253270, 53205232, 56530559, 66506540, 106410464, 113061118, 133013080, 212820928, 226122236, 266026160, 282652795, 452244472, 532052320, 565305590, 904488944, 1064104640, 1130611180, 1808977888, 2261222360, 3617955776, 4522444720, 9044889440, 18089778880]

約数ペア:

[(1, 18089778880), (2, 9044889440), (4, 4522444720), (5, 3617955776), (8, 2261222360), (10, 1808977888), (16, 1130611180), (17, 1064104640), (20, 904488944), (32, 565305590), (34, 532052320), (40, 452244472), (64, 282652795), (68, 266026160), (80, 226122236), (85, 212820928), (136, 133013080), (160, 113061118), (170, 106410464), (272, 66506540), (320, 56530559), (340, 53205232), (544, 33253270), (680, 26602616), (1088, 16626635), (1360, 13301308), (2720, 6650654), (5440, 3325327)]