25745625

素因数分解:

$3^2\times 5^4\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:248

約数の個数: 60

約数和(自身を含む): 48734400

約数和(自身を除く): 22988775

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 199, 207, 225, 345, 375, 575, 597, 625, 995, 1035, 1125, 1725, 1791, 1875, 2875, 2985, 4577, 4975, 5175, 5625, 8625, 8955, 13731, 14375, 14925, 22885, 24875, 25875, 41193, 43125, 44775, 68655, 74625, 114425, 124375, 129375, 205965, 223875, 343275, 373125, 572125, 1029825, 1119375, 1716375, 2860625, 5149125, 8581875, 25745625]

約数ペア:

[(1, 25745625), (3, 8581875), (5, 5149125), (9, 2860625), (15, 1716375), (23, 1119375), (25, 1029825), (45, 572125), (69, 373125), (75, 343275), (115, 223875), (125, 205965), (199, 129375), (207, 124375), (225, 114425), (345, 74625), (375, 68655), (575, 44775), (597, 43125), (625, 41193), (995, 25875), (1035, 24875), (1125, 22885), (1725, 14925), (1791, 14375), (1875, 13731), (2875, 8955), (2985, 8625), (4577, 5625), (4975, 5175)]