2050804520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{158731}}^1$

素因数の和:158778

約数の個数: 64

約数和(自身を含む): 5142916800

約数和(自身を除く): 3092112280

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, 6460, 12920, 158731, 317462, 634924, 793655, 1269848, 1587310, 2698427, 3015889, 3174620, 5396854, 6031778, 6349240, 10793708, 12063556, 13492135, 15079445, 21587416, 24127112, 26984270, 30158890, 51270113, 53968540, 60317780, 102540226, 107937080, 120635560, 205080452, 256350565, 410160904, 512701130, 1025402260, 2050804520]

約数ペア:

[(1, 2050804520), (2, 1025402260), (4, 512701130), (5, 410160904), (8, 256350565), (10, 205080452), (17, 120635560), (19, 107937080), (20, 102540226), (34, 60317780), (38, 53968540), (40, 51270113), (68, 30158890), (76, 26984270), (85, 24127112), (95, 21587416), (136, 15079445), (152, 13492135), (170, 12063556), (190, 10793708), (323, 6349240), (340, 6031778), (380, 5396854), (646, 3174620), (680, 3015889), (760, 2698427), (1292, 1587310), (1615, 1269848), (2584, 793655), (3230, 634924), (6460, 317462), (12920, 158731)]