42744920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12007}}^1$

素因数の和:12107

約数の個数: 32

約数和(自身を含む): 97264800

約数和(自身を除く): 54519880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 12007, 24014, 48028, 60035, 96056, 120070, 240140, 480280, 1068623, 2137246, 4274492, 5343115, 8548984, 10686230, 21372460, 42744920]

約数ペア:

[(1, 42744920), (2, 21372460), (4, 10686230), (5, 8548984), (8, 5343115), (10, 4274492), (20, 2137246), (40, 1068623), (89, 480280), (178, 240140), (356, 120070), (445, 96056), (712, 60035), (890, 48028), (1780, 24014), (3560, 12007)]