56745020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2531}}^1$

素因数の和:2618

約数の個数: 48

約数和(自身を含む): 127612800

約数和(自身を除く): 70867780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 2242, 2531, 4484, 5062, 5605, 10124, 11210, 12655, 22420, 25310, 48089, 50620, 96178, 149329, 192356, 240445, 298658, 480890, 597316, 746645, 961780, 1493290, 2837251, 2986580, 5674502, 11349004, 14186255, 28372510, 56745020]

約数ペア:

[(1, 56745020), (2, 28372510), (4, 14186255), (5, 11349004), (10, 5674502), (19, 2986580), (20, 2837251), (38, 1493290), (59, 961780), (76, 746645), (95, 597316), (118, 480890), (190, 298658), (236, 240445), (295, 192356), (380, 149329), (590, 96178), (1121, 50620), (1180, 48089), (2242, 25310), (2531, 22420), (4484, 12655), (5062, 11210), (5605, 10124)]