80255840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{547}}^1$

素因数の和:700

約数の個数: 96

約数和(自身を含む): 218744064

約数和(自身を除く): 138488224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 131, 140, 160, 224, 262, 280, 524, 547, 560, 655, 917, 1048, 1094, 1120, 1310, 1834, 2096, 2188, 2620, 2735, 3668, 3829, 4192, 4376, 4585, 5240, 5470, 7336, 7658, 8752, 9170, 10480, 10940, 14672, 15316, 17504, 18340, 19145, 20960, 21880, 29344, 30632, 36680, 38290, 43760, 61264, 71657, 73360, 76580, 87520, 122528, 143314, 146720, 153160, 286628, 306320, 358285, 501599, 573256, 612640, 716570, 1003198, 1146512, 1433140, 2006396, 2293024, 2507995, 2866280, 4012792, 5015990, 5732560, 8025584, 10031980, 11465120, 16051168, 20063960, 40127920, 80255840]

約数ペア:

[(1, 80255840), (2, 40127920), (4, 20063960), (5, 16051168), (7, 11465120), (8, 10031980), (10, 8025584), (14, 5732560), (16, 5015990), (20, 4012792), (28, 2866280), (32, 2507995), (35, 2293024), (40, 2006396), (56, 1433140), (70, 1146512), (80, 1003198), (112, 716570), (131, 612640), (140, 573256), (160, 501599), (224, 358285), (262, 306320), (280, 286628), (524, 153160), (547, 146720), (560, 143314), (655, 122528), (917, 87520), (1048, 76580), (1094, 73360), (1120, 71657), (1310, 61264), (1834, 43760), (2096, 38290), (2188, 36680), (2620, 30632), (2735, 29344), (3668, 21880), (3829, 20960), (4192, 19145), (4376, 18340), (4585, 17504), (5240, 15316), (5470, 14672), (7336, 10940), (7658, 10480), (8752, 9170)]