65181520

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15373}}^1$

素因数の和:15439

約数の個数: 40

約数和(自身を含む): 154416456

約数和(自身を除く): 89234936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 15373, 30746, 61492, 76865, 122984, 153730, 245968, 307460, 614920, 814769, 1229840, 1629538, 3259076, 4073845, 6518152, 8147690, 13036304, 16295380, 32590760, 65181520]

約数ペア:

[(1, 65181520), (2, 32590760), (4, 16295380), (5, 13036304), (8, 8147690), (10, 6518152), (16, 4073845), (20, 3259076), (40, 1629538), (53, 1229840), (80, 814769), (106, 614920), (212, 307460), (265, 245968), (424, 153730), (530, 122984), (848, 76865), (1060, 61492), (2120, 30746), (4240, 15373)]