255231560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{8191}}^1$

素因数の和:8262

約数の個数: 64

約数和(自身を含む): 619315200

約数和(自身を除く): 364083640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 3116, 3895, 6232, 7790, 8191, 15580, 16382, 31160, 32764, 40955, 65528, 81910, 155629, 163820, 311258, 327640, 335831, 622516, 671662, 778145, 1245032, 1343324, 1556290, 1679155, 2686648, 3112580, 3358310, 6225160, 6380789, 6716620, 12761578, 13433240, 25523156, 31903945, 51046312, 63807890, 127615780, 255231560]

約数ペア:

[(1, 255231560), (2, 127615780), (4, 63807890), (5, 51046312), (8, 31903945), (10, 25523156), (19, 13433240), (20, 12761578), (38, 6716620), (40, 6380789), (41, 6225160), (76, 3358310), (82, 3112580), (95, 2686648), (152, 1679155), (164, 1556290), (190, 1343324), (205, 1245032), (328, 778145), (380, 671662), (410, 622516), (760, 335831), (779, 327640), (820, 311258), (1558, 163820), (1640, 155629), (3116, 81910), (3895, 65528), (6232, 40955), (7790, 32764), (8191, 31160), (15580, 16382)]