47914040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 111909600

約数和(自身を除く): 63995560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 172, 178, 215, 313, 344, 356, 430, 445, 626, 712, 860, 890, 1252, 1565, 1720, 1780, 2504, 3130, 3560, 3827, 6260, 7654, 12520, 13459, 15308, 19135, 26918, 27857, 30616, 38270, 53836, 55714, 67295, 76540, 107672, 111428, 134590, 139285, 153080, 222856, 269180, 278570, 538360, 557140, 1114280, 1197851, 2395702, 4791404, 5989255, 9582808, 11978510, 23957020, 47914040]

約数ペア:

[(1, 47914040), (2, 23957020), (4, 11978510), (5, 9582808), (8, 5989255), (10, 4791404), (20, 2395702), (40, 1197851), (43, 1114280), (86, 557140), (89, 538360), (172, 278570), (178, 269180), (215, 222856), (313, 153080), (344, 139285), (356, 134590), (430, 111428), (445, 107672), (626, 76540), (712, 67295), (860, 55714), (890, 53836), (1252, 38270), (1565, 30616), (1720, 27857), (1780, 26918), (2504, 19135), (3130, 15308), (3560, 13459), (3827, 12520), (6260, 7654)]