1956456880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{12433}}^1$

素因数の和:12734

約数の個数: 80

約数和(自身を含む): 5217505344

約数和(自身を除く): 3261048464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 560, 562, 1124, 1405, 1967, 2248, 2810, 3934, 4496, 5620, 7868, 9835, 11240, 12433, 15736, 19670, 22480, 24866, 31472, 39340, 49732, 62165, 78680, 87031, 99464, 124330, 157360, 174062, 198928, 248660, 348124, 435155, 497320, 696248, 870310, 994640, 1392496, 1740620, 3481240, 3493673, 6962480, 6987346, 13974692, 17468365, 24455711, 27949384, 34936730, 48911422, 55898768, 69873460, 97822844, 122278555, 139746920, 195645688, 244557110, 279493840, 391291376, 489114220, 978228440, 1956456880]

約数ペア:

[(1, 1956456880), (2, 978228440), (4, 489114220), (5, 391291376), (7, 279493840), (8, 244557110), (10, 195645688), (14, 139746920), (16, 122278555), (20, 97822844), (28, 69873460), (35, 55898768), (40, 48911422), (56, 34936730), (70, 27949384), (80, 24455711), (112, 17468365), (140, 13974692), (280, 6987346), (281, 6962480), (560, 3493673), (562, 3481240), (1124, 1740620), (1405, 1392496), (1967, 994640), (2248, 870310), (2810, 696248), (3934, 497320), (4496, 435155), (5620, 348124), (7868, 248660), (9835, 198928), (11240, 174062), (12433, 157360), (15736, 124330), (19670, 99464), (22480, 87031), (24866, 78680), (31472, 62165), (39340, 49732)]