71581120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17207}}^1$

素因数の和:17237

約数の個数: 56

約数和(自身を含む): 183574944

約数和(自身を除く): 111993824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 17207, 34414, 68828, 86035, 137656, 172070, 223691, 275312, 344140, 447382, 550624, 688280, 894764, 1101248, 1118455, 1376560, 1789528, 2236910, 2753120, 3579056, 4473820, 5506240, 7158112, 8947640, 14316224, 17895280, 35790560, 71581120]

約数ペア:

[(1, 71581120), (2, 35790560), (4, 17895280), (5, 14316224), (8, 8947640), (10, 7158112), (13, 5506240), (16, 4473820), (20, 3579056), (26, 2753120), (32, 2236910), (40, 1789528), (52, 1376560), (64, 1118455), (65, 1101248), (80, 894764), (104, 688280), (130, 550624), (160, 447382), (208, 344140), (260, 275312), (320, 223691), (416, 172070), (520, 137656), (832, 86035), (1040, 68828), (2080, 34414), (4160, 17207)]