11142800

素因数分解:

$2^4\times 5^2\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:420

約数の個数: 60

約数和(自身を含む): 27157860

約数和(自身を除く): 16015060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 178, 200, 313, 356, 400, 445, 626, 712, 890, 1252, 1424, 1565, 1780, 2225, 2504, 3130, 3560, 4450, 5008, 6260, 7120, 7825, 8900, 12520, 15650, 17800, 25040, 27857, 31300, 35600, 55714, 62600, 111428, 125200, 139285, 222856, 278570, 445712, 557140, 696425, 1114280, 1392850, 2228560, 2785700, 5571400, 11142800]

約数ペア:

[(1, 11142800), (2, 5571400), (4, 2785700), (5, 2228560), (8, 1392850), (10, 1114280), (16, 696425), (20, 557140), (25, 445712), (40, 278570), (50, 222856), (80, 139285), (89, 125200), (100, 111428), (178, 62600), (200, 55714), (313, 35600), (356, 31300), (400, 27857), (445, 25040), (626, 17800), (712, 15650), (890, 12520), (1252, 8900), (1424, 7825), (1565, 7120), (1780, 6260), (2225, 5008), (2504, 4450), (3130, 3560)]