55289840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18679}}^1$

素因数の和:18729

約数の個数: 40

約数和(自身を含む): 132030240

約数和(自身を除く): 76740400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 18679, 37358, 74716, 93395, 149432, 186790, 298864, 373580, 691123, 747160, 1382246, 1494320, 2764492, 3455615, 5528984, 6911230, 11057968, 13822460, 27644920, 55289840]

約数ペア:

[(1, 55289840), (2, 27644920), (4, 13822460), (5, 11057968), (8, 6911230), (10, 5528984), (16, 3455615), (20, 2764492), (37, 1494320), (40, 1382246), (74, 747160), (80, 691123), (148, 373580), (185, 298864), (296, 186790), (370, 149432), (592, 93395), (740, 74716), (1480, 37358), (2960, 18679)]