68481040

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{14033}}^1$

素因数の和:14107

約数の個数: 40

約数和(自身を含む): 161840088

約数和(自身を除く): 93359048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 14033, 28066, 56132, 70165, 112264, 140330, 224528, 280660, 561320, 856013, 1122640, 1712026, 3424052, 4280065, 6848104, 8560130, 13696208, 17120260, 34240520, 68481040]

約数ペア:

[(1, 68481040), (2, 34240520), (4, 17120260), (5, 13696208), (8, 8560130), (10, 6848104), (16, 4280065), (20, 3424052), (40, 1712026), (61, 1122640), (80, 856013), (122, 561320), (244, 280660), (305, 224528), (488, 140330), (610, 112264), (976, 70165), (1220, 56132), (2440, 28066), (4880, 14033)]