124455040

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1399}}^1$

素因数の和:1557

約数の個数: 64

約数和(自身を含む): 299880000

約数和(自身を除く): 175424960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 1112, 1390, 1399, 2224, 2780, 2798, 4448, 5560, 5596, 6995, 8896, 11120, 11192, 13990, 17792, 22240, 22384, 27980, 44480, 44768, 55960, 88960, 89536, 111920, 179072, 194461, 223840, 388922, 447680, 777844, 895360, 972305, 1555688, 1944610, 3111376, 3889220, 6222752, 7778440, 12445504, 15556880, 24891008, 31113760, 62227520, 124455040]

約数ペア:

[(1, 124455040), (2, 62227520), (4, 31113760), (5, 24891008), (8, 15556880), (10, 12445504), (16, 7778440), (20, 6222752), (32, 3889220), (40, 3111376), (64, 1944610), (80, 1555688), (128, 972305), (139, 895360), (160, 777844), (278, 447680), (320, 388922), (556, 223840), (640, 194461), (695, 179072), (1112, 111920), (1390, 89536), (1399, 88960), (2224, 55960), (2780, 44768), (2798, 44480), (4448, 27980), (5560, 22384), (5596, 22240), (6995, 17792), (8896, 13990), (11120, 11192)]