40868750

素因数分解:

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

素因数の和:543

約数の個数: 48

約数和(自身を含む): 82682208

約数和(自身を除く): 41813458

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 503, 625, 650, 1006, 1250, 1625, 2515, 3125, 3250, 5030, 6250, 6539, 8125, 12575, 13078, 16250, 25150, 32695, 40625, 62875, 65390, 81250, 125750, 163475, 314375, 326950, 628750, 817375, 1571875, 1634750, 3143750, 4086875, 8173750, 20434375, 40868750]

約数ペア:

[(1, 40868750), (2, 20434375), (5, 8173750), (10, 4086875), (13, 3143750), (25, 1634750), (26, 1571875), (50, 817375), (65, 628750), (125, 326950), (130, 314375), (250, 163475), (325, 125750), (503, 81250), (625, 65390), (650, 62875), (1006, 40625), (1250, 32695), (1625, 25150), (2515, 16250), (3125, 13078), (3250, 12575), (5030, 8125), (6250, 6539)]