13305825625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{4001}}^1$

素因数の和:4351

約数の個数: 40

約数和(自身を含む): 17665676424

約数和(自身を除く): 4359850799

約数列:

[1, 5, 17, 25, 85, 125, 313, 425, 625, 1565, 2125, 4001, 5321, 7825, 10625, 20005, 26605, 39125, 68017, 100025, 133025, 195625, 340085, 500125, 665125, 1252313, 1700425, 2500625, 3325625, 6261565, 8502125, 21289321, 31307825, 42510625, 106446605, 156539125, 532233025, 782695625, 2661165125, 13305825625]

約数ペア:

[(1, 13305825625), (5, 2661165125), (17, 782695625), (25, 532233025), (85, 156539125), (125, 106446605), (313, 42510625), (425, 31307825), (625, 21289321), (1565, 8502125), (2125, 6261565), (4001, 3325625), (5321, 2500625), (7825, 1700425), (10625, 1252313), (20005, 665125), (26605, 500125), (39125, 340085), (68017, 195625), (100025, 133025)]