825321920

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28979}}^1$

素因数の和:29085

約数の個数: 56

約数和(自身を含む): 1987448400

約数和(自身を除く): 1162126480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5696, 7120, 14240, 28480, 28979, 57958, 115916, 144895, 231832, 289790, 463664, 579580, 927328, 1159160, 1854656, 2318320, 2579131, 4636640, 5158262, 9273280, 10316524, 12895655, 20633048, 25791310, 41266096, 51582620, 82532192, 103165240, 165064384, 206330480, 412660960, 825321920]

約数ペア:

[(1, 825321920), (2, 412660960), (4, 206330480), (5, 165064384), (8, 103165240), (10, 82532192), (16, 51582620), (20, 41266096), (32, 25791310), (40, 20633048), (64, 12895655), (80, 10316524), (89, 9273280), (160, 5158262), (178, 4636640), (320, 2579131), (356, 2318320), (445, 1854656), (712, 1159160), (890, 927328), (1424, 579580), (1780, 463664), (2848, 289790), (3560, 231832), (5696, 144895), (7120, 115916), (14240, 57958), (28480, 28979)]