89350640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{65699}}^1$

素因数の和:65729

約数の個数: 40

約数和(自身を含む): 219963600

約数和(自身を除く): 130612960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 65699, 131398, 262796, 328495, 525592, 656990, 1051184, 1116883, 1313980, 2233766, 2627960, 4467532, 5255920, 5584415, 8935064, 11168830, 17870128, 22337660, 44675320, 89350640]

約数ペア:

[(1, 89350640), (2, 44675320), (4, 22337660), (5, 17870128), (8, 11168830), (10, 8935064), (16, 5584415), (17, 5255920), (20, 4467532), (34, 2627960), (40, 2233766), (68, 1313980), (80, 1116883), (85, 1051184), (136, 656990), (170, 525592), (272, 328495), (340, 262796), (680, 131398), (1360, 65699)]