99871900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{24359}}^1$

素因数の和:24414

約数の個数: 36

約数和(自身を含む): 222017040

約数和(自身を除く): 122145140

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 24359, 48718, 97436, 121795, 243590, 487180, 608975, 998719, 1217950, 1997438, 2435900, 3994876, 4993595, 9987190, 19974380, 24967975, 49935950, 99871900]

約数ペア:

[(1, 99871900), (2, 49935950), (4, 24967975), (5, 19974380), (10, 9987190), (20, 4993595), (25, 3994876), (41, 2435900), (50, 1997438), (82, 1217950), (100, 998719), (164, 608975), (205, 487180), (410, 243590), (820, 121795), (1025, 97436), (2050, 48718), (4100, 24359)]