202240040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{56809}}^1$

素因数の和:56909

約数の個数: 32

約数和(自身を含む): 460161000

約数和(自身を除く): 257920960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 56809, 113618, 227236, 284045, 454472, 568090, 1136180, 2272360, 5056001, 10112002, 20224004, 25280005, 40448008, 50560010, 101120020, 202240040]

約数ペア:

[(1, 202240040), (2, 101120020), (4, 50560010), (5, 40448008), (8, 25280005), (10, 20224004), (20, 10112002), (40, 5056001), (89, 2272360), (178, 1136180), (356, 568090), (445, 454472), (712, 284045), (890, 227236), (1780, 113618), (3560, 56809)]