20160700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 50746752

約数和(自身を除く): 30586052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 83, 100, 140, 166, 175, 332, 347, 350, 415, 581, 694, 700, 830, 1162, 1388, 1660, 1735, 2075, 2324, 2429, 2905, 3470, 4150, 4858, 5810, 6940, 8300, 8675, 9716, 11620, 12145, 14525, 17350, 24290, 28801, 29050, 34700, 48580, 57602, 58100, 60725, 115204, 121450, 144005, 201607, 242900, 288010, 403214, 576020, 720025, 806428, 1008035, 1440050, 2016070, 2880100, 4032140, 5040175, 10080350, 20160700]

約数ペア:

[(1, 20160700), (2, 10080350), (4, 5040175), (5, 4032140), (7, 2880100), (10, 2016070), (14, 1440050), (20, 1008035), (25, 806428), (28, 720025), (35, 576020), (50, 403214), (70, 288010), (83, 242900), (100, 201607), (140, 144005), (166, 121450), (175, 115204), (332, 60725), (347, 58100), (350, 57602), (415, 48580), (581, 34700), (694, 29050), (700, 28801), (830, 24290), (1162, 17350), (1388, 14525), (1660, 12145), (1735, 11620), (2075, 9716), (2324, 8675), (2429, 8300), (2905, 6940), (3470, 5810), (4150, 4858)]