87582640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{64399}}^1$

素因数の和:64429

約数の個数: 40

約数和(自身を含む): 215611200

約数和(自身を除く): 128028560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 64399, 128798, 257596, 321995, 515192, 643990, 1030384, 1094783, 1287980, 2189566, 2575960, 4379132, 5151920, 5473915, 8758264, 10947830, 17516528, 21895660, 43791320, 87582640]

約数ペア:

[(1, 87582640), (2, 43791320), (4, 21895660), (5, 17516528), (8, 10947830), (10, 8758264), (16, 5473915), (17, 5151920), (20, 4379132), (34, 2575960), (40, 2189566), (68, 1287980), (80, 1094783), (85, 1030384), (136, 643990), (170, 515192), (272, 321995), (340, 257596), (680, 128798), (1360, 64399)]