28825160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7919}}^1$

素因数の和:7950

約数の個数: 64

約数和(自身を含む): 79833600

約数和(自身を除く): 51008440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 7919, 15838, 31676, 39595, 55433, 63352, 79190, 102947, 110866, 158380, 205894, 221732, 277165, 316760, 411788, 443464, 514735, 554330, 720629, 823576, 1029470, 1108660, 1441258, 2058940, 2217320, 2882516, 3603145, 4117880, 5765032, 7206290, 14412580, 28825160]

約数ペア:

[(1, 28825160), (2, 14412580), (4, 7206290), (5, 5765032), (7, 4117880), (8, 3603145), (10, 2882516), (13, 2217320), (14, 2058940), (20, 1441258), (26, 1108660), (28, 1029470), (35, 823576), (40, 720629), (52, 554330), (56, 514735), (65, 443464), (70, 411788), (91, 316760), (104, 277165), (130, 221732), (140, 205894), (182, 158380), (260, 110866), (280, 102947), (364, 79190), (455, 63352), (520, 55433), (728, 39595), (910, 31676), (1820, 15838), (3640, 7919)]