90770080

素因数分解:

$2^5\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1429}}^1$

素因数の和:1841

約数の個数: 48

約数和(自身を含む): 215134920

約数和(自身を除く): 124364840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 397, 794, 1429, 1588, 1985, 2858, 3176, 3970, 5716, 6352, 7145, 7940, 11432, 12704, 14290, 15880, 22864, 28580, 31760, 45728, 57160, 63520, 114320, 228640, 567313, 1134626, 2269252, 2836565, 4538504, 5673130, 9077008, 11346260, 18154016, 22692520, 45385040, 90770080]

約数ペア:

[(1, 90770080), (2, 45385040), (4, 22692520), (5, 18154016), (8, 11346260), (10, 9077008), (16, 5673130), (20, 4538504), (32, 2836565), (40, 2269252), (80, 1134626), (160, 567313), (397, 228640), (794, 114320), (1429, 63520), (1588, 57160), (1985, 45728), (2858, 31760), (3176, 28580), (3970, 22864), (5716, 15880), (6352, 14290), (7145, 12704), (7940, 11432)]