13525625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:123

約数の個数: 40

約数和(自身を含む): 19118880

約数和(自身を除く): 5593255

約数列:

[1, 5, 17, 19, 25, 67, 85, 95, 125, 323, 335, 425, 475, 625, 1139, 1273, 1615, 1675, 2125, 2375, 5695, 6365, 8075, 8375, 10625, 11875, 21641, 28475, 31825, 40375, 41875, 108205, 142375, 159125, 201875, 541025, 711875, 795625, 2705125, 13525625]

約数ペア:

[(1, 13525625), (5, 2705125), (17, 795625), (19, 711875), (25, 541025), (67, 201875), (85, 159125), (95, 142375), (125, 108205), (323, 41875), (335, 40375), (425, 31825), (475, 28475), (625, 21641), (1139, 11875), (1273, 10625), (1615, 8375), (1675, 8075), (2125, 6365), (2375, 5695)]