125008640

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{769}}^1$

素因数の和:917

約数の個数: 72

約数和(自身を含む): 302184960

約数和(自身を除く): 177176320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 769, 1016, 1270, 1280, 1538, 2032, 2540, 3076, 3845, 4064, 5080, 6152, 7690, 8128, 10160, 12304, 15380, 16256, 20320, 24608, 30760, 32512, 40640, 49216, 61520, 81280, 97663, 98432, 123040, 162560, 195326, 196864, 246080, 390652, 488315, 492160, 781304, 976630, 984320, 1562608, 1953260, 3125216, 3906520, 6250432, 7813040, 12500864, 15626080, 25001728, 31252160, 62504320, 125008640]

約数ペア:

[(1, 125008640), (2, 62504320), (4, 31252160), (5, 25001728), (8, 15626080), (10, 12500864), (16, 7813040), (20, 6250432), (32, 3906520), (40, 3125216), (64, 1953260), (80, 1562608), (127, 984320), (128, 976630), (160, 781304), (254, 492160), (256, 488315), (320, 390652), (508, 246080), (635, 196864), (640, 195326), (769, 162560), (1016, 123040), (1270, 98432), (1280, 97663), (1538, 81280), (2032, 61520), (2540, 49216), (3076, 40640), (3845, 32512), (4064, 30760), (5080, 24608), (6152, 20320), (7690, 16256), (8128, 15380), (10160, 12304)]