4428640

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 10614240

約数和(自身を除く): 6185600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 311, 356, 445, 622, 712, 890, 1244, 1424, 1555, 1780, 2488, 2848, 3110, 3560, 4976, 6220, 7120, 9952, 12440, 14240, 24880, 27679, 49760, 55358, 110716, 138395, 221432, 276790, 442864, 553580, 885728, 1107160, 2214320, 4428640]

約数ペア:

[(1, 4428640), (2, 2214320), (4, 1107160), (5, 885728), (8, 553580), (10, 442864), (16, 276790), (20, 221432), (32, 138395), (40, 110716), (80, 55358), (89, 49760), (160, 27679), (178, 24880), (311, 14240), (356, 12440), (445, 9952), (622, 7120), (712, 6220), (890, 4976), (1244, 3560), (1424, 3110), (1555, 2848), (1780, 2488)]