2013777520

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1\times {\mathrm{673}}^1$

素因数の和:1130

約数の個数: 80

約数和(自身を含む): 4744776672

約数和(自身を除く): 2730999152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 331, 452, 565, 662, 673, 904, 1130, 1324, 1346, 1655, 1808, 2260, 2648, 2692, 3310, 3365, 4520, 5296, 5384, 6620, 6730, 9040, 10768, 13240, 13460, 26480, 26920, 37403, 53840, 74806, 76049, 149612, 152098, 187015, 222763, 299224, 304196, 374030, 380245, 445526, 598448, 608392, 748060, 760490, 891052, 1113815, 1216784, 1496120, 1520980, 1782104, 2227630, 2992240, 3041960, 3564208, 4455260, 6083920, 8910520, 17821040, 25172219, 50344438, 100688876, 125861095, 201377752, 251722190, 402755504, 503444380, 1006888760, 2013777520]

約数ペア:

[(1, 2013777520), (2, 1006888760), (4, 503444380), (5, 402755504), (8, 251722190), (10, 201377752), (16, 125861095), (20, 100688876), (40, 50344438), (80, 25172219), (113, 17821040), (226, 8910520), (331, 6083920), (452, 4455260), (565, 3564208), (662, 3041960), (673, 2992240), (904, 2227630), (1130, 1782104), (1324, 1520980), (1346, 1496120), (1655, 1216784), (1808, 1113815), (2260, 891052), (2648, 760490), (2692, 748060), (3310, 608392), (3365, 598448), (4520, 445526), (5296, 380245), (5384, 374030), (6620, 304196), (6730, 299224), (9040, 222763), (10768, 187015), (13240, 152098), (13460, 149612), (26480, 76049), (26920, 74806), (37403, 53840)]