25457380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{547}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 58000320

約数和(自身を除く): 32542940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 260, 358, 547, 716, 895, 1094, 1790, 2188, 2327, 2735, 3580, 4654, 5470, 7111, 9308, 10940, 11635, 14222, 23270, 28444, 35555, 46540, 71110, 97913, 142220, 195826, 391652, 489565, 979130, 1272869, 1958260, 2545738, 5091476, 6364345, 12728690, 25457380]

約数ペア:

[(1, 25457380), (2, 12728690), (4, 6364345), (5, 5091476), (10, 2545738), (13, 1958260), (20, 1272869), (26, 979130), (52, 489565), (65, 391652), (130, 195826), (179, 142220), (260, 97913), (358, 71110), (547, 46540), (716, 35555), (895, 28444), (1094, 23270), (1790, 14222), (2188, 11635), (2327, 10940), (2735, 9308), (3580, 7111), (4654, 5470)]