54486920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12497}}^1$

素因数の和:12617

約数の個数: 32

約数和(自身を含む): 123730200

約数和(自身を除く): 69243280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 12497, 24994, 49988, 62485, 99976, 124970, 249940, 499880, 1362173, 2724346, 5448692, 6810865, 10897384, 13621730, 27243460, 54486920]

約数ペア:

[(1, 54486920), (2, 27243460), (4, 13621730), (5, 10897384), (8, 6810865), (10, 5448692), (20, 2724346), (40, 1362173), (109, 499880), (218, 249940), (436, 124970), (545, 99976), (872, 62485), (1090, 49988), (2180, 24994), (4360, 12497)]