40684280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11177}}^1$

素因数の和:11208

約数の個数: 64

約数和(自身を含む): 112674240

約数和(自身を除く): 71989960

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, 11177, 22354, 44708, 55885, 78239, 89416, 111770, 145301, 156478, 223540, 290602, 312956, 391195, 447080, 581204, 625912, 726505, 782390, 1017107, 1162408, 1453010, 1564780, 2034214, 2906020, 3129560, 4068428, 5085535, 5812040, 8136856, 10171070, 20342140, 40684280]

約数ペア:

[(1, 40684280), (2, 20342140), (4, 10171070), (5, 8136856), (7, 5812040), (8, 5085535), (10, 4068428), (13, 3129560), (14, 2906020), (20, 2034214), (26, 1564780), (28, 1453010), (35, 1162408), (40, 1017107), (52, 782390), (56, 726505), (65, 625912), (70, 581204), (91, 447080), (104, 391195), (130, 312956), (140, 290602), (182, 223540), (260, 156478), (280, 145301), (364, 111770), (455, 89416), (520, 78239), (728, 55885), (910, 44708), (1820, 22354), (3640, 11177)]