2556161875

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{419}}^1$

素因数の和:709

約数の個数: 40

約数和(自身を含む): 3290696640

約数和(自身を除く): 734534765

約数列:

[1, 5, 25, 43, 125, 215, 227, 419, 625, 1075, 1135, 2095, 5375, 5675, 9761, 10475, 18017, 26875, 28375, 48805, 52375, 90085, 95113, 141875, 244025, 261875, 450425, 475565, 1220125, 2252125, 2377825, 4089859, 6100625, 11260625, 11889125, 20449295, 59445625, 102246475, 511232375, 2556161875]

約数ペア:

[(1, 2556161875), (5, 511232375), (25, 102246475), (43, 59445625), (125, 20449295), (215, 11889125), (227, 11260625), (419, 6100625), (625, 4089859), (1075, 2377825), (1135, 2252125), (2095, 1220125), (5375, 475565), (5675, 450425), (9761, 261875), (10475, 244025), (18017, 141875), (26875, 95113), (28375, 90085), (48805, 52375)]