28107560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{283}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 68705280

約数和(自身を除く): 40597720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 191, 260, 283, 382, 520, 566, 764, 955, 1132, 1415, 1528, 1910, 2264, 2483, 2830, 3679, 3820, 4966, 5660, 7358, 7640, 9932, 11320, 12415, 14716, 18395, 19864, 24830, 29432, 36790, 49660, 54053, 73580, 99320, 108106, 147160, 216212, 270265, 432424, 540530, 702689, 1081060, 1405378, 2162120, 2810756, 3513445, 5621512, 7026890, 14053780, 28107560]

約数ペア:

[(1, 28107560), (2, 14053780), (4, 7026890), (5, 5621512), (8, 3513445), (10, 2810756), (13, 2162120), (20, 1405378), (26, 1081060), (40, 702689), (52, 540530), (65, 432424), (104, 270265), (130, 216212), (191, 147160), (260, 108106), (283, 99320), (382, 73580), (520, 54053), (566, 49660), (764, 36790), (955, 29432), (1132, 24830), (1415, 19864), (1528, 18395), (1910, 14716), (2264, 12415), (2483, 11320), (2830, 9932), (3679, 7640), (3820, 7358), (4966, 5660)]