28202140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1657}}^1$

素因数の和:1726

約数の個数: 48

約数和(自身を含む): 63508032

約数和(自身を除く): 35305892

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1657, 1702, 3314, 3404, 4255, 6628, 8285, 8510, 16570, 17020, 33140, 38111, 61309, 76222, 122618, 152444, 190555, 245236, 306545, 381110, 613090, 762220, 1226180, 1410107, 2820214, 5640428, 7050535, 14101070, 28202140]

約数ペア:

[(1, 28202140), (2, 14101070), (4, 7050535), (5, 5640428), (10, 2820214), (20, 1410107), (23, 1226180), (37, 762220), (46, 613090), (74, 381110), (92, 306545), (115, 245236), (148, 190555), (185, 152444), (230, 122618), (370, 76222), (460, 61309), (740, 38111), (851, 33140), (1657, 17020), (1702, 16570), (3314, 8510), (3404, 8285), (4255, 6628)]