51920375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 70761600

約数和(自身を除く): 18841225

約数列:

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

約数ペア:

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