2013206600

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{245513}}^1$

素因数の和:245570

約数の個数: 48

約数和(自身を含む): 4794888420

約数和(自身を除く): 2781681820

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 8200, 245513, 491026, 982052, 1227565, 1964104, 2455130, 4910260, 6137825, 9820520, 10066033, 12275650, 20132066, 24551300, 40264132, 49102600, 50330165, 80528264, 100660330, 201320660, 251650825, 402641320, 503301650, 1006603300, 2013206600]

約数ペア:

[(1, 2013206600), (2, 1006603300), (4, 503301650), (5, 402641320), (8, 251650825), (10, 201320660), (20, 100660330), (25, 80528264), (40, 50330165), (41, 49102600), (50, 40264132), (82, 24551300), (100, 20132066), (164, 12275650), (200, 10066033), (205, 9820520), (328, 6137825), (410, 4910260), (820, 2455130), (1025, 1964104), (1640, 1227565), (2050, 982052), (4100, 491026), (8200, 245513)]