421508750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{25939}}^1$

素因数の和:25974

約数の個数: 40

約数和(自身を含む): 850883880

約数和(自身を除く): 429375130

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 8125, 16250, 25939, 51878, 129695, 259390, 337207, 648475, 674414, 1296950, 1686035, 3242375, 3372070, 6484750, 8430175, 16211875, 16860350, 32423750, 42150875, 84301750, 210754375, 421508750]

約数ペア:

[(1, 421508750), (2, 210754375), (5, 84301750), (10, 42150875), (13, 32423750), (25, 16860350), (26, 16211875), (50, 8430175), (65, 6484750), (125, 3372070), (130, 3242375), (250, 1686035), (325, 1296950), (625, 674414), (650, 648475), (1250, 337207), (1625, 259390), (3250, 129695), (8125, 51878), (16250, 25939)]