64179680

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4507}}^1$

素因数の和:4611

約数の個数: 48

約数和(自身を含む): 153362160

約数和(自身を除く): 89182480

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, 4507, 7120, 9014, 14240, 18028, 22535, 36056, 45070, 72112, 90140, 144224, 180280, 360560, 401123, 721120, 802246, 1604492, 2005615, 3208984, 4011230, 6417968, 8022460, 12835936, 16044920, 32089840, 64179680]

約数ペア:

[(1, 64179680), (2, 32089840), (4, 16044920), (5, 12835936), (8, 8022460), (10, 6417968), (16, 4011230), (20, 3208984), (32, 2005615), (40, 1604492), (80, 802246), (89, 721120), (160, 401123), (178, 360560), (356, 180280), (445, 144224), (712, 90140), (890, 72112), (1424, 45070), (1780, 36056), (2848, 22535), (3560, 18028), (4507, 14240), (7120, 9014)]