40228280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16487}}^1$

素因数の和:16559

約数の個数: 32

約数和(自身を含む): 92003040

約数和(自身を除く): 51774760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 16487, 32974, 65948, 82435, 131896, 164870, 329740, 659480, 1005707, 2011414, 4022828, 5028535, 8045656, 10057070, 20114140, 40228280]

約数ペア:

[(1, 40228280), (2, 20114140), (4, 10057070), (5, 8045656), (8, 5028535), (10, 4022828), (20, 2011414), (40, 1005707), (61, 659480), (122, 329740), (244, 164870), (305, 131896), (488, 82435), (610, 65948), (1220, 32974), (2440, 16487)]