20218121300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{35107}}^1$

素因数の和:35577

約数の個数: 72

約数和(自身を含む): 47356198176

約数和(自身を除く): 27138076876

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 443, 650, 886, 1300, 1772, 2215, 4430, 5759, 8860, 11075, 11518, 22150, 23036, 28795, 35107, 44300, 57590, 70214, 115180, 140428, 143975, 175535, 287950, 351070, 456391, 575900, 702140, 877675, 912782, 1755350, 1825564, 2281955, 3510700, 4563910, 9127820, 11409775, 15552401, 22819550, 31104802, 45639100, 62209604, 77762005, 155524010, 202181213, 311048020, 388810025, 404362426, 777620050, 808724852, 1010906065, 1555240100, 2021812130, 4043624260, 5054530325, 10109060650, 20218121300]

約数ペア:

[(1, 20218121300), (2, 10109060650), (4, 5054530325), (5, 4043624260), (10, 2021812130), (13, 1555240100), (20, 1010906065), (25, 808724852), (26, 777620050), (50, 404362426), (52, 388810025), (65, 311048020), (100, 202181213), (130, 155524010), (260, 77762005), (325, 62209604), (443, 45639100), (650, 31104802), (886, 22819550), (1300, 15552401), (1772, 11409775), (2215, 9127820), (4430, 4563910), (5759, 3510700), (8860, 2281955), (11075, 1825564), (11518, 1755350), (22150, 912782), (23036, 877675), (28795, 702140), (35107, 575900), (44300, 456391), (57590, 351070), (70214, 287950), (115180, 175535), (140428, 143975)]