259601875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 354261600

約数和(自身を除く): 94659725

約数列:

[1, 5, 13, 25, 65, 89, 125, 325, 359, 445, 625, 1157, 1625, 1795, 2225, 4667, 5785, 8125, 8975, 11125, 23335, 28925, 31951, 44875, 55625, 116675, 144625, 159755, 224375, 415363, 583375, 723125, 798775, 2076815, 2916875, 3993875, 10384075, 19969375, 51920375, 259601875]

約数ペア:

[(1, 259601875), (5, 51920375), (13, 19969375), (25, 10384075), (65, 3993875), (89, 2916875), (125, 2076815), (325, 798775), (359, 723125), (445, 583375), (625, 415363), (1157, 224375), (1625, 159755), (1795, 144625), (2225, 116675), (4667, 55625), (5785, 44875), (8125, 31951), (8975, 28925), (11125, 23335)]