51328030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 103638528

約数和(自身を除く): 52310498

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 71, 83, 130, 134, 142, 166, 335, 355, 415, 670, 710, 830, 871, 923, 1079, 1742, 1846, 2158, 4355, 4615, 4757, 5395, 5561, 5893, 8710, 9230, 9514, 10790, 11122, 11786, 23785, 27805, 29465, 47570, 55610, 58930, 61841, 72293, 76609, 123682, 144586, 153218, 309205, 361465, 383045, 394831, 618410, 722930, 766090, 789662, 1974155, 3948310, 5132803, 10265606, 25664015, 51328030]

約数ペア:

[(1, 51328030), (2, 25664015), (5, 10265606), (10, 5132803), (13, 3948310), (26, 1974155), (65, 789662), (67, 766090), (71, 722930), (83, 618410), (130, 394831), (134, 383045), (142, 361465), (166, 309205), (335, 153218), (355, 144586), (415, 123682), (670, 76609), (710, 72293), (830, 61841), (871, 58930), (923, 55610), (1079, 47570), (1742, 29465), (1846, 27805), (2158, 23785), (4355, 11786), (4615, 11122), (4757, 10790), (5395, 9514), (5561, 9230), (5893, 8710)]