8004280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 19440000

約数和(自身を除く): 11435720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 149, 158, 170, 298, 316, 340, 395, 596, 632, 680, 745, 790, 1192, 1343, 1490, 1580, 2533, 2686, 2980, 3160, 5066, 5372, 5960, 6715, 10132, 10744, 11771, 12665, 13430, 20264, 23542, 25330, 26860, 47084, 50660, 53720, 58855, 94168, 101320, 117710, 200107, 235420, 400214, 470840, 800428, 1000535, 1600856, 2001070, 4002140, 8004280]

約数ペア:

[(1, 8004280), (2, 4002140), (4, 2001070), (5, 1600856), (8, 1000535), (10, 800428), (17, 470840), (20, 400214), (34, 235420), (40, 200107), (68, 117710), (79, 101320), (85, 94168), (136, 58855), (149, 53720), (158, 50660), (170, 47084), (298, 26860), (316, 25330), (340, 23542), (395, 20264), (596, 13430), (632, 12665), (680, 11771), (745, 10744), (790, 10132), (1192, 6715), (1343, 5960), (1490, 5372), (1580, 5066), (2533, 3160), (2686, 2980)]