64763780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1301}}^1$

素因数の和:1460

約数の個数: 48

約数和(自身を含む): 144365760

約数和(自身を除く): 79601980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1301, 1310, 2489, 2602, 2620, 4978, 5204, 6505, 9956, 12445, 13010, 24719, 24890, 26020, 49438, 49780, 98876, 123595, 170431, 247190, 340862, 494380, 681724, 852155, 1704310, 3238189, 3408620, 6476378, 12952756, 16190945, 32381890, 64763780]

約数ペア:

[(1, 64763780), (2, 32381890), (4, 16190945), (5, 12952756), (10, 6476378), (19, 3408620), (20, 3238189), (38, 1704310), (76, 852155), (95, 681724), (131, 494380), (190, 340862), (262, 247190), (380, 170431), (524, 123595), (655, 98876), (1301, 49780), (1310, 49438), (2489, 26020), (2602, 24890), (2620, 24719), (4978, 13010), (5204, 12445), (6505, 9956)]