1215740125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8539}}^1$

素因数の和:8638

約数の個数: 32

約数和(自身を含む): 1630661760

約数和(自身を除く): 414921635

約数列:

[1, 5, 17, 25, 67, 85, 125, 335, 425, 1139, 1675, 2125, 5695, 8375, 8539, 28475, 42695, 142375, 145163, 213475, 572113, 725815, 1067375, 2860565, 3629075, 9725921, 14302825, 18145375, 48629605, 71514125, 243148025, 1215740125]

約数ペア:

[(1, 1215740125), (5, 243148025), (17, 71514125), (25, 48629605), (67, 18145375), (85, 14302825), (125, 9725921), (335, 3629075), (425, 2860565), (1139, 1067375), (1675, 725815), (2125, 572113), (5695, 213475), (8375, 145163), (8539, 142375), (28475, 42695)]