51253640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3967}}^1$

素因数の和:4014

約数の個数: 64

約数和(自身を含む): 128563200

約数和(自身を除く): 77309560

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 3967, 6460, 7934, 12920, 15868, 19835, 31736, 39670, 67439, 75373, 79340, 134878, 150746, 158680, 269756, 301492, 337195, 376865, 539512, 602984, 674390, 753730, 1281341, 1348780, 1507460, 2562682, 2697560, 3014920, 5125364, 6406705, 10250728, 12813410, 25626820, 51253640]

約数ペア:

[(1, 51253640), (2, 25626820), (4, 12813410), (5, 10250728), (8, 6406705), (10, 5125364), (17, 3014920), (19, 2697560), (20, 2562682), (34, 1507460), (38, 1348780), (40, 1281341), (68, 753730), (76, 674390), (85, 602984), (95, 539512), (136, 376865), (152, 337195), (170, 301492), (190, 269756), (323, 158680), (340, 150746), (380, 134878), (646, 79340), (680, 75373), (760, 67439), (1292, 39670), (1615, 31736), (2584, 19835), (3230, 15868), (3967, 12920), (6460, 7934)]