85131250

素因数分解:

$2^1\times 5^5\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 163255176

約数和(自身を除く): 78123926

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 257, 265, 514, 530, 625, 1250, 1285, 1325, 2570, 2650, 3125, 6250, 6425, 6625, 12850, 13250, 13621, 27242, 32125, 33125, 64250, 66250, 68105, 136210, 160625, 165625, 321250, 331250, 340525, 681050, 803125, 1606250, 1702625, 3405250, 8513125, 17026250, 42565625, 85131250]

約数ペア:

[(1, 85131250), (2, 42565625), (5, 17026250), (10, 8513125), (25, 3405250), (50, 1702625), (53, 1606250), (106, 803125), (125, 681050), (250, 340525), (257, 331250), (265, 321250), (514, 165625), (530, 160625), (625, 136210), (1250, 68105), (1285, 66250), (1325, 64250), (2570, 33125), (2650, 32125), (3125, 27242), (6250, 13621), (6425, 13250), (6625, 12850)]