81820050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41959}}^1$

素因数の和:41987

約数の個数: 48

約数和(自身を含む): 218527680

約数和(自身を除く): 136707630

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 41959, 83918, 125877, 209795, 251754, 419590, 545467, 629385, 1048975, 1090934, 1258770, 1636401, 2097950, 2727335, 3146925, 3272802, 5454670, 6293850, 8182005, 13636675, 16364010, 27273350, 40910025, 81820050]

約数ペア:

[(1, 81820050), (2, 40910025), (3, 27273350), (5, 16364010), (6, 13636675), (10, 8182005), (13, 6293850), (15, 5454670), (25, 3272802), (26, 3146925), (30, 2727335), (39, 2097950), (50, 1636401), (65, 1258770), (75, 1090934), (78, 1048975), (130, 629385), (150, 545467), (195, 419590), (325, 251754), (390, 209795), (650, 125877), (975, 83918), (1950, 41959)]