80035540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{569}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 181656720

約数和(自身を除く): 101621180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 541, 569, 1082, 1138, 2164, 2276, 2705, 2845, 5410, 5690, 7033, 7397, 10820, 11380, 14066, 14794, 28132, 29588, 35165, 36985, 70330, 73970, 140660, 147940, 307829, 615658, 1231316, 1539145, 3078290, 4001777, 6156580, 8003554, 16007108, 20008885, 40017770, 80035540]

約数ペア:

[(1, 80035540), (2, 40017770), (4, 20008885), (5, 16007108), (10, 8003554), (13, 6156580), (20, 4001777), (26, 3078290), (52, 1539145), (65, 1231316), (130, 615658), (260, 307829), (541, 147940), (569, 140660), (1082, 73970), (1138, 70330), (2164, 36985), (2276, 35165), (2705, 29588), (2845, 28132), (5410, 14794), (5690, 14066), (7033, 11380), (7397, 10820)]