33181780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 72737280

約数和(自身を除く): 39555500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 491, 545, 620, 982, 1090, 1964, 2180, 2455, 3379, 4910, 6758, 9820, 13516, 15221, 16895, 30442, 33790, 53519, 60884, 67580, 76105, 107038, 152210, 214076, 267595, 304420, 535190, 1070380, 1659089, 3318178, 6636356, 8295445, 16590890, 33181780]

約数ペア:

[(1, 33181780), (2, 16590890), (4, 8295445), (5, 6636356), (10, 3318178), (20, 1659089), (31, 1070380), (62, 535190), (109, 304420), (124, 267595), (155, 214076), (218, 152210), (310, 107038), (436, 76105), (491, 67580), (545, 60884), (620, 53519), (982, 33790), (1090, 30442), (1964, 16895), (2180, 15221), (2455, 13516), (3379, 9820), (4910, 6758)]