71144020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1637}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 156029328

約数和(自身を除く): 84885308

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 820, 1060, 1637, 2173, 3274, 4346, 6548, 8185, 8692, 10865, 16370, 21730, 32740, 43460, 67117, 86761, 134234, 173522, 268468, 335585, 347044, 433805, 671170, 867610, 1342340, 1735220, 3557201, 7114402, 14228804, 17786005, 35572010, 71144020]

約数ペア:

[(1, 71144020), (2, 35572010), (4, 17786005), (5, 14228804), (10, 7114402), (20, 3557201), (41, 1735220), (53, 1342340), (82, 867610), (106, 671170), (164, 433805), (205, 347044), (212, 335585), (265, 268468), (410, 173522), (530, 134234), (820, 86761), (1060, 67117), (1637, 43460), (2173, 32740), (3274, 21730), (4346, 16370), (6548, 10865), (8185, 8692)]