25111915075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{105701}}^1$

素因数の和:105784

約数の個数: 48

約数和(自身を含む): 36332737056

約数和(自身を除く): 11220821981

約数列:

[1, 5, 13, 17, 25, 43, 65, 85, 215, 221, 325, 425, 559, 731, 1075, 1105, 2795, 3655, 5525, 9503, 13975, 18275, 47515, 105701, 237575, 528505, 1374113, 1796917, 2642525, 4545143, 6870565, 8984585, 22725715, 23359921, 34352825, 44922925, 59086859, 77267431, 113628575, 116799605, 295434295, 386337155, 583998025, 1004476603, 1477171475, 1931685775, 5022383015, 25111915075]

約数ペア:

[(1, 25111915075), (5, 5022383015), (13, 1931685775), (17, 1477171475), (25, 1004476603), (43, 583998025), (65, 386337155), (85, 295434295), (215, 116799605), (221, 113628575), (325, 77267431), (425, 59086859), (559, 44922925), (731, 34352825), (1075, 23359921), (1105, 22725715), (2795, 8984585), (3655, 6870565), (5525, 4545143), (9503, 2642525), (13975, 1796917), (18275, 1374113), (47515, 528505), (105701, 237575)]