4457120

素因数分解:

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

素因数の和:417

約数の個数: 48

約数和(自身を含む): 10682280

約数和(自身を除く): 6225160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 313, 356, 445, 626, 712, 890, 1252, 1424, 1565, 1780, 2504, 2848, 3130, 3560, 5008, 6260, 7120, 10016, 12520, 14240, 25040, 27857, 50080, 55714, 111428, 139285, 222856, 278570, 445712, 557140, 891424, 1114280, 2228560, 4457120]

約数ペア:

[(1, 4457120), (2, 2228560), (4, 1114280), (5, 891424), (8, 557140), (10, 445712), (16, 278570), (20, 222856), (32, 139285), (40, 111428), (80, 55714), (89, 50080), (160, 27857), (178, 25040), (313, 14240), (356, 12520), (445, 10016), (626, 7120), (712, 6260), (890, 5008), (1252, 3560), (1424, 3130), (1565, 2848), (1780, 2504)]