80533240

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 185794560

約数和(自身を除く): 105261320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 127, 166, 191, 254, 332, 382, 415, 508, 635, 664, 764, 830, 955, 1016, 1270, 1528, 1660, 1910, 2540, 3320, 3820, 5080, 7640, 10541, 15853, 21082, 24257, 31706, 42164, 48514, 52705, 63412, 79265, 84328, 97028, 105410, 121285, 126824, 158530, 194056, 210820, 242570, 317060, 421640, 485140, 634120, 970280, 2013331, 4026662, 8053324, 10066655, 16106648, 20133310, 40266620, 80533240]

約数ペア:

[(1, 80533240), (2, 40266620), (4, 20133310), (5, 16106648), (8, 10066655), (10, 8053324), (20, 4026662), (40, 2013331), (83, 970280), (127, 634120), (166, 485140), (191, 421640), (254, 317060), (332, 242570), (382, 210820), (415, 194056), (508, 158530), (635, 126824), (664, 121285), (764, 105410), (830, 97028), (955, 84328), (1016, 79265), (1270, 63412), (1528, 52705), (1660, 48514), (1910, 42164), (2540, 31706), (3320, 24257), (3820, 21082), (5080, 15853), (7640, 10541)]