27844375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 40

約数和(自身を含む): 39362400

約数和(自身を除く): 11518025

約数列:

[1, 5, 13, 23, 25, 65, 115, 125, 149, 299, 325, 575, 625, 745, 1495, 1625, 1937, 2875, 3427, 3725, 7475, 8125, 9685, 14375, 17135, 18625, 37375, 44551, 48425, 85675, 93125, 186875, 222755, 242125, 428375, 1113775, 1210625, 2141875, 5568875, 27844375]

約数ペア:

[(1, 27844375), (5, 5568875), (13, 2141875), (23, 1210625), (25, 1113775), (65, 428375), (115, 242125), (125, 222755), (149, 186875), (299, 93125), (325, 85675), (575, 48425), (625, 44551), (745, 37375), (1495, 18625), (1625, 17135), (1937, 14375), (2875, 9685), (3427, 8125), (3725, 7475)]