25215590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6449}}^1$

素因数の和:6496

約数の個数: 32

約数和(自身を含む): 50155200

約数和(自身を除く): 24939610

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 6449, 12898, 32245, 64490, 109633, 148327, 219266, 296654, 548165, 741635, 1096330, 1483270, 2521559, 5043118, 12607795, 25215590]

約数ペア:

[(1, 25215590), (2, 12607795), (5, 5043118), (10, 2521559), (17, 1483270), (23, 1096330), (34, 741635), (46, 548165), (85, 296654), (115, 219266), (170, 148327), (230, 109633), (391, 64490), (782, 32245), (1955, 12898), (3910, 6449)]