2021061640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{5741}}^1$

素因数の和:6442

約数の個数: 64

約数和(自身を含む): 4905275760

約数和(自身を除く): 2884214120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 677, 1354, 2708, 3385, 5416, 5741, 6770, 8801, 11482, 13540, 17602, 22964, 27080, 28705, 35204, 44005, 45928, 57410, 70408, 74633, 88010, 114820, 149266, 176020, 229640, 298532, 352040, 373165, 597064, 746330, 1492660, 2985320, 3886657, 7773314, 15546628, 19433285, 31093256, 38866570, 50526541, 77733140, 101053082, 155466280, 202106164, 252632705, 404212328, 505265410, 1010530820, 2021061640]

約数ペア:

[(1, 2021061640), (2, 1010530820), (4, 505265410), (5, 404212328), (8, 252632705), (10, 202106164), (13, 155466280), (20, 101053082), (26, 77733140), (40, 50526541), (52, 38866570), (65, 31093256), (104, 19433285), (130, 15546628), (260, 7773314), (520, 3886657), (677, 2985320), (1354, 1492660), (2708, 746330), (3385, 597064), (5416, 373165), (5741, 352040), (6770, 298532), (8801, 229640), (11482, 176020), (13540, 149266), (17602, 114820), (22964, 88010), (27080, 74633), (28705, 70408), (35204, 57410), (44005, 45928)]