2108531875

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1171}}^1$

素因数の和:1301

約数の個数: 40

約数和(自身を含む): 2738673344

約数和(自身を除く): 630141469

約数列:

[1, 5, 25, 43, 67, 125, 215, 335, 625, 1075, 1171, 1675, 2881, 5375, 5855, 8375, 14405, 26875, 29275, 41875, 50353, 72025, 78457, 146375, 251765, 360125, 392285, 731875, 1258825, 1800625, 1961425, 3373651, 6294125, 9807125, 16868255, 31470625, 49035625, 84341275, 421706375, 2108531875]

約数ペア:

[(1, 2108531875), (5, 421706375), (25, 84341275), (43, 49035625), (67, 31470625), (125, 16868255), (215, 9807125), (335, 6294125), (625, 3373651), (1075, 1961425), (1171, 1800625), (1675, 1258825), (2881, 731875), (5375, 392285), (5855, 360125), (8375, 251765), (14405, 146375), (26875, 78457), (29275, 72025), (41875, 50353)]