325000

素因数分解:

$2^3\times 5^5\times {\mathrm{13}}^1$

素因数の和:44

約数の個数: 48

約数和(自身を含む): 820260

約数和(自身を除く): 495260

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 625, 650, 1000, 1250, 1300, 1625, 2500, 2600, 3125, 3250, 5000, 6250, 6500, 8125, 12500, 13000, 16250, 25000, 32500, 40625, 65000, 81250, 162500, 325000]

約数ペア:

[(1, 325000), (2, 162500), (4, 81250), (5, 65000), (8, 40625), (10, 32500), (13, 25000), (20, 16250), (25, 13000), (26, 12500), (40, 8125), (50, 6500), (52, 6250), (65, 5000), (100, 3250), (104, 3125), (125, 2600), (130, 2500), (200, 1625), (250, 1300), (260, 1250), (325, 1000), (500, 650), (520, 625)]