8589744220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{209813}}^1$

素因数の和:209934

約数の個数: 48

約数和(自身を含む): 19034326080

約数和(自身を除く): 10444581860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 890, 1780, 2047, 4094, 8188, 10235, 20470, 40940, 209813, 419626, 839252, 1049065, 2098130, 4196260, 4825699, 9651398, 18673357, 19302796, 24128495, 37346714, 48256990, 74693428, 93366785, 96513980, 186733570, 373467140, 429487211, 858974422, 1717948844, 2147436055, 4294872110, 8589744220]

約数ペア:

[(1, 8589744220), (2, 4294872110), (4, 2147436055), (5, 1717948844), (10, 858974422), (20, 429487211), (23, 373467140), (46, 186733570), (89, 96513980), (92, 93366785), (115, 74693428), (178, 48256990), (230, 37346714), (356, 24128495), (445, 19302796), (460, 18673357), (890, 9651398), (1780, 4825699), (2047, 4196260), (4094, 2098130), (8188, 1049065), (10235, 839252), (20470, 419626), (40940, 209813)]