201280625

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3539}}^1$

素因数の和:3579

約数の個数: 40

約数和(自身を含む): 309650880

約数和(自身を除く): 108370255

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 625, 875, 1625, 2275, 3539, 4375, 8125, 11375, 17695, 24773, 46007, 56875, 88475, 123865, 230035, 322049, 442375, 619325, 1150175, 1610245, 2211875, 3096625, 5750875, 8051225, 15483125, 28754375, 40256125, 201280625]

約数ペア:

[(1, 201280625), (5, 40256125), (7, 28754375), (13, 15483125), (25, 8051225), (35, 5750875), (65, 3096625), (91, 2211875), (125, 1610245), (175, 1150175), (325, 619325), (455, 442375), (625, 322049), (875, 230035), (1625, 123865), (2275, 88475), (3539, 56875), (4375, 46007), (8125, 24773), (11375, 17695)]