155940760

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{30697}}^1$

素因数の和:30835

約数の個数: 32

約数和(自身を含む): 353640960

約数和(自身を除く): 197700200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 30697, 61394, 122788, 153485, 245576, 306970, 613940, 1227880, 3898519, 7797038, 15594076, 19492595, 31188152, 38985190, 77970380, 155940760]

約数ペア:

[(1, 155940760), (2, 77970380), (4, 38985190), (5, 31188152), (8, 19492595), (10, 15594076), (20, 7797038), (40, 3898519), (127, 1227880), (254, 613940), (508, 306970), (635, 245576), (1016, 153485), (1270, 122788), (2540, 61394), (5080, 30697)]