4403750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:306

約数の個数: 40

約数和(自身を含む): 8922144

約数和(自身を除く): 4518394

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 271, 325, 542, 625, 650, 1250, 1355, 1625, 2710, 3250, 3523, 6775, 7046, 8125, 13550, 16250, 17615, 33875, 35230, 67750, 88075, 169375, 176150, 338750, 440375, 880750, 2201875, 4403750]

約数ペア:

[(1, 4403750), (2, 2201875), (5, 880750), (10, 440375), (13, 338750), (25, 176150), (26, 169375), (50, 88075), (65, 67750), (125, 35230), (130, 33875), (250, 17615), (271, 16250), (325, 13550), (542, 8125), (625, 7046), (650, 6775), (1250, 3523), (1355, 3250), (1625, 2710)]