64354640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{16417}}^1$

素因数の和:16444

約数の個数: 60

約数和(自身を含む): 174063636

約数和(自身を除く): 109708996

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 16417, 32834, 65668, 82085, 114919, 131336, 164170, 229838, 262672, 328340, 459676, 574595, 656680, 804433, 919352, 1149190, 1313360, 1608866, 1838704, 2298380, 3217732, 4022165, 4596760, 6435464, 8044330, 9193520, 12870928, 16088660, 32177320, 64354640]

約数ペア:

[(1, 64354640), (2, 32177320), (4, 16088660), (5, 12870928), (7, 9193520), (8, 8044330), (10, 6435464), (14, 4596760), (16, 4022165), (20, 3217732), (28, 2298380), (35, 1838704), (40, 1608866), (49, 1313360), (56, 1149190), (70, 919352), (80, 804433), (98, 656680), (112, 574595), (140, 459676), (196, 328340), (245, 262672), (280, 229838), (392, 164170), (490, 131336), (560, 114919), (784, 82085), (980, 65668), (1960, 32834), (3920, 16417)]