1275975025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{809}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 1788635520

約数和(自身を除く): 512660495

約数列:

[1, 5, 13, 23, 25, 65, 115, 211, 299, 325, 575, 809, 1055, 1495, 2743, 4045, 4853, 5275, 7475, 10517, 13715, 18607, 20225, 24265, 52585, 63089, 68575, 93035, 121325, 170699, 241891, 262925, 315445, 465175, 853495, 1209455, 1577225, 2219087, 3926077, 4267475, 6047275, 11095435, 19630385, 51039001, 55477175, 98151925, 255195005, 1275975025]

約数ペア:

[(1, 1275975025), (5, 255195005), (13, 98151925), (23, 55477175), (25, 51039001), (65, 19630385), (115, 11095435), (211, 6047275), (299, 4267475), (325, 3926077), (575, 2219087), (809, 1577225), (1055, 1209455), (1495, 853495), (2743, 465175), (4045, 315445), (4853, 262925), (5275, 241891), (7475, 170699), (10517, 121325), (13715, 93035), (18607, 68575), (20225, 63089), (24265, 52585)]