1212123040

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{85121}}^1$

素因数の和:85225

約数の個数: 48

約数和(自身を含む): 2895850440

約数和(自身を除く): 1683727400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 14240, 85121, 170242, 340484, 425605, 680968, 851210, 1361936, 1702420, 2723872, 3404840, 6809680, 7575769, 13619360, 15151538, 30303076, 37878845, 60606152, 75757690, 121212304, 151515380, 242424608, 303030760, 606061520, 1212123040]

約数ペア:

[(1, 1212123040), (2, 606061520), (4, 303030760), (5, 242424608), (8, 151515380), (10, 121212304), (16, 75757690), (20, 60606152), (32, 37878845), (40, 30303076), (80, 15151538), (89, 13619360), (160, 7575769), (178, 6809680), (356, 3404840), (445, 2723872), (712, 1702420), (890, 1361936), (1424, 851210), (1780, 680968), (2848, 425605), (3560, 340484), (7120, 170242), (14240, 85121)]