255441875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:393

約数の個数: 40

約数和(自身を含む): 347701200

約数和(自身を除く): 92259325

約数列:

[1, 5, 13, 25, 65, 125, 149, 211, 325, 625, 745, 1055, 1625, 1937, 2743, 3725, 5275, 8125, 9685, 13715, 18625, 26375, 31439, 48425, 68575, 93125, 131875, 157195, 242125, 342875, 408707, 785975, 1210625, 1714375, 2043535, 3929875, 10217675, 19649375, 51088375, 255441875]

約数ペア:

[(1, 255441875), (5, 51088375), (13, 19649375), (25, 10217675), (65, 3929875), (125, 2043535), (149, 1714375), (211, 1210625), (325, 785975), (625, 408707), (745, 342875), (1055, 242125), (1625, 157195), (1937, 131875), (2743, 93125), (3725, 68575), (5275, 48425), (8125, 31439), (9685, 26375), (13715, 18625)]