48108125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:255

約数の個数: 40

約数和(自身を含む): 67178496

約数和(自身を除く): 19070371

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 191, 325, 403, 625, 775, 955, 1625, 2015, 2483, 3875, 4775, 5921, 8125, 10075, 12415, 19375, 23875, 29605, 50375, 62075, 76973, 119375, 148025, 251875, 310375, 384865, 740125, 1551875, 1924325, 3700625, 9621625, 48108125]

約数ペア:

[(1, 48108125), (5, 9621625), (13, 3700625), (25, 1924325), (31, 1551875), (65, 740125), (125, 384865), (155, 310375), (191, 251875), (325, 148025), (403, 119375), (625, 76973), (775, 62075), (955, 50375), (1625, 29605), (2015, 23875), (2483, 19375), (3875, 12415), (4775, 10075), (5921, 8125)]