40385625

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 81873792

約数和(自身を除く): 41488167

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 125, 175, 181, 255, 357, 375, 425, 525, 543, 595, 625, 875, 905, 1267, 1275, 1785, 1875, 2125, 2625, 2715, 2975, 3077, 3801, 4375, 4525, 6335, 6375, 8925, 9231, 10625, 13125, 13575, 14875, 15385, 19005, 21539, 22625, 31675, 31875, 44625, 46155, 64617, 67875, 74375, 76925, 95025, 107695, 113125, 158375, 223125, 230775, 323085, 339375, 384625, 475125, 538475, 791875, 1153875, 1615425, 1923125, 2375625, 2692375, 5769375, 8077125, 13461875, 40385625]

約数ペア:

[(1, 40385625), (3, 13461875), (5, 8077125), (7, 5769375), (15, 2692375), (17, 2375625), (21, 1923125), (25, 1615425), (35, 1153875), (51, 791875), (75, 538475), (85, 475125), (105, 384625), (119, 339375), (125, 323085), (175, 230775), (181, 223125), (255, 158375), (357, 113125), (375, 107695), (425, 95025), (525, 76925), (543, 74375), (595, 67875), (625, 64617), (875, 46155), (905, 44625), (1267, 31875), (1275, 31675), (1785, 22625), (1875, 21539), (2125, 19005), (2625, 15385), (2715, 14875), (2975, 13575), (3077, 13125), (3801, 10625), (4375, 9231), (4525, 8925), (6335, 6375)]