259120640

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{797}}^1$

素因数の和:947

約数の個数: 80

約数和(自身を含む): 626959872

約数和(自身を除く): 367839232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 635, 640, 797, 1016, 1270, 1280, 1594, 2032, 2540, 2560, 3188, 3985, 4064, 5080, 6376, 7970, 8128, 10160, 12752, 15940, 16256, 20320, 25504, 31880, 32512, 40640, 51008, 63760, 65024, 81280, 101219, 102016, 127520, 162560, 202438, 204032, 255040, 325120, 404876, 408064, 506095, 510080, 809752, 1012190, 1020160, 1619504, 2024380, 2040320, 3239008, 4048760, 6478016, 8097520, 12956032, 16195040, 25912064, 32390080, 51824128, 64780160, 129560320, 259120640]

約数ペア:

[(1, 259120640), (2, 129560320), (4, 64780160), (5, 51824128), (8, 32390080), (10, 25912064), (16, 16195040), (20, 12956032), (32, 8097520), (40, 6478016), (64, 4048760), (80, 3239008), (127, 2040320), (128, 2024380), (160, 1619504), (254, 1020160), (256, 1012190), (320, 809752), (508, 510080), (512, 506095), (635, 408064), (640, 404876), (797, 325120), (1016, 255040), (1270, 204032), (1280, 202438), (1594, 162560), (2032, 127520), (2540, 102016), (2560, 101219), (3188, 81280), (3985, 65024), (4064, 63760), (5080, 51008), (6376, 40640), (7970, 32512), (8128, 31880), (10160, 25504), (12752, 20320), (15940, 16256)]