201619310440

素因数分解:

$2^3\times 5^1\times {\mathrm{20129}}^1\times {\mathrm{250409}}^1$

素因数の和:270549

約数の個数: 32

約数和(自身を含む): 453667797000

約数和(自身を除く): 252048486560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20129, 40258, 80516, 100645, 161032, 201290, 250409, 402580, 500818, 805160, 1001636, 1252045, 2003272, 2504090, 5008180, 10016360, 5040482761, 10080965522, 20161931044, 25202413805, 40323862088, 50404827610, 100809655220, 201619310440]

約数ペア:

[(1, 201619310440), (2, 100809655220), (4, 50404827610), (5, 40323862088), (8, 25202413805), (10, 20161931044), (20, 10080965522), (40, 5040482761), (20129, 10016360), (40258, 5008180), (80516, 2504090), (100645, 2003272), (161032, 1252045), (201290, 1001636), (250409, 805160), (402580, 500818)]