23890040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{9791}}^1$

素因数の和:9863

約数の個数: 32

約数和(自身を含む): 54639360

約数和(自身を除く): 30749320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 9791, 19582, 39164, 48955, 78328, 97910, 195820, 391640, 597251, 1194502, 2389004, 2986255, 4778008, 5972510, 11945020, 23890040]

約数ペア:

[(1, 23890040), (2, 11945020), (4, 5972510), (5, 4778008), (8, 2986255), (10, 2389004), (20, 1194502), (40, 597251), (61, 391640), (122, 195820), (244, 97910), (305, 78328), (488, 48955), (610, 39164), (1220, 19582), (2440, 9791)]