66256240

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5081}}^1$

素因数の和:5257

約数の個数: 40

約数和(自身を含む): 155021328

約数和(自身を除く): 88765088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5081, 6520, 10162, 13040, 20324, 25405, 40648, 50810, 81296, 101620, 203240, 406480, 828203, 1656406, 3312812, 4141015, 6625624, 8282030, 13251248, 16564060, 33128120, 66256240]

約数ペア:

[(1, 66256240), (2, 33128120), (4, 16564060), (5, 13251248), (8, 8282030), (10, 6625624), (16, 4141015), (20, 3312812), (40, 1656406), (80, 828203), (163, 406480), (326, 203240), (652, 101620), (815, 81296), (1304, 50810), (1630, 40648), (2608, 25405), (3260, 20324), (5081, 13040), (6520, 10162)]