8173750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:538

約数の個数: 40

約数和(自身を含む): 16532208

約数和(自身を除く): 8358458

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 503, 625, 650, 1006, 1250, 1625, 2515, 3250, 5030, 6539, 8125, 12575, 13078, 16250, 25150, 32695, 62875, 65390, 125750, 163475, 314375, 326950, 628750, 817375, 1634750, 4086875, 8173750]

約数ペア:

[(1, 8173750), (2, 4086875), (5, 1634750), (10, 817375), (13, 628750), (25, 326950), (26, 314375), (50, 163475), (65, 125750), (125, 65390), (130, 62875), (250, 32695), (325, 25150), (503, 16250), (625, 13078), (650, 12575), (1006, 8125), (1250, 6539), (1625, 5030), (2515, 3250)]