555438125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{467}}^1$

素因数の和:671

約数の個数: 40

約数和(自身を含む): 763180704

約数和(自身を除く): 207742579

約数列:

[1, 5, 11, 25, 55, 125, 173, 275, 467, 625, 865, 1375, 1903, 2335, 4325, 5137, 6875, 9515, 11675, 21625, 25685, 47575, 58375, 80791, 108125, 128425, 237875, 291875, 403955, 642125, 888701, 1189375, 2019775, 3210625, 4443505, 10098875, 22217525, 50494375, 111087625, 555438125]

約数ペア:

[(1, 555438125), (5, 111087625), (11, 50494375), (25, 22217525), (55, 10098875), (125, 4443505), (173, 3210625), (275, 2019775), (467, 1189375), (625, 888701), (865, 642125), (1375, 403955), (1903, 291875), (2335, 237875), (4325, 128425), (5137, 108125), (6875, 80791), (9515, 58375), (11675, 47575), (21625, 25685)]