28486250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1753}}^1$

素因数の和:1788

約数の個数: 40

約数和(自身を含む): 57534708

約数和(自身を除く): 29048458

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 1753, 3250, 3506, 8125, 8765, 16250, 17530, 22789, 43825, 45578, 87650, 113945, 219125, 227890, 438250, 569725, 1095625, 1139450, 2191250, 2848625, 5697250, 14243125, 28486250]

約数ペア:

[(1, 28486250), (2, 14243125), (5, 5697250), (10, 2848625), (13, 2191250), (25, 1139450), (26, 1095625), (50, 569725), (65, 438250), (125, 227890), (130, 219125), (250, 113945), (325, 87650), (625, 45578), (650, 43825), (1250, 22789), (1625, 17530), (1753, 16250), (3250, 8765), (3506, 8125)]