123874375

素因数分解:

$5^4\times {\mathrm{47}}^1\times {\mathrm{4217}}^1$

素因数の和:4284

約数の個数: 20

約数和(自身を含む): 158124384

約数和(自身を除く): 34250009

約数列:

[1, 5, 25, 47, 125, 235, 625, 1175, 4217, 5875, 21085, 29375, 105425, 198199, 527125, 990995, 2635625, 4954975, 24774875, 123874375]

約数ペア:

[(1, 123874375), (5, 24774875), (25, 4954975), (47, 2635625), (125, 990995), (235, 527125), (625, 198199), (1175, 105425), (4217, 29375), (5875, 21085)]