64089680

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1753}}^1$

素因数の和:2223

約数の個数: 40

約数和(自身を含む): 149419752

約数和(自身を除く): 85330072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1753, 1828, 2285, 3506, 3656, 4570, 7012, 7312, 8765, 9140, 14024, 17530, 18280, 28048, 35060, 36560, 70120, 140240, 801121, 1602242, 3204484, 4005605, 6408968, 8011210, 12817936, 16022420, 32044840, 64089680]

約数ペア:

[(1, 64089680), (2, 32044840), (4, 16022420), (5, 12817936), (8, 8011210), (10, 6408968), (16, 4005605), (20, 3204484), (40, 1602242), (80, 801121), (457, 140240), (914, 70120), (1753, 36560), (1828, 35060), (2285, 28048), (3506, 18280), (3656, 17530), (4570, 14024), (7012, 9140), (7312, 8765)]