28975625

素因数分解:

$5^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:243

約数の個数: 40

約数和(自身を含む): 42736320

約数和(自身を除く): 13760695

約数列:

[1, 5, 7, 25, 35, 37, 125, 175, 179, 185, 259, 625, 875, 895, 925, 1253, 1295, 4375, 4475, 4625, 6265, 6475, 6623, 22375, 23125, 31325, 32375, 33115, 46361, 111875, 156625, 161875, 165575, 231805, 783125, 827875, 1159025, 4139375, 5795125, 28975625]

約数ペア:

[(1, 28975625), (5, 5795125), (7, 4139375), (25, 1159025), (35, 827875), (37, 783125), (125, 231805), (175, 165575), (179, 161875), (185, 156625), (259, 111875), (625, 46361), (875, 33115), (895, 32375), (925, 31325), (1253, 23125), (1295, 22375), (4375, 6623), (4475, 6475), (4625, 6265)]