18650080

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2843}}^1$

素因数の和:2899

約数の個数: 48

約数和(自身を含む): 45151344

約数和(自身を除く): 26501264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 2843, 3280, 5686, 6560, 11372, 14215, 22744, 28430, 45488, 56860, 90976, 113720, 116563, 227440, 233126, 454880, 466252, 582815, 932504, 1165630, 1865008, 2331260, 3730016, 4662520, 9325040, 18650080]

約数ペア:

[(1, 18650080), (2, 9325040), (4, 4662520), (5, 3730016), (8, 2331260), (10, 1865008), (16, 1165630), (20, 932504), (32, 582815), (40, 466252), (41, 454880), (80, 233126), (82, 227440), (160, 116563), (164, 113720), (205, 90976), (328, 56860), (410, 45488), (656, 28430), (820, 22744), (1312, 14215), (1640, 11372), (2843, 6560), (3280, 5686)]