28114580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1523}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 64520064

約数和(自身を除く): 36405484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1523, 1846, 3046, 3692, 4615, 6092, 7615, 9230, 15230, 18460, 19799, 30460, 39598, 79196, 98995, 108133, 197990, 216266, 395980, 432532, 540665, 1081330, 1405729, 2162660, 2811458, 5622916, 7028645, 14057290, 28114580]

約数ペア:

[(1, 28114580), (2, 14057290), (4, 7028645), (5, 5622916), (10, 2811458), (13, 2162660), (20, 1405729), (26, 1081330), (52, 540665), (65, 432532), (71, 395980), (130, 216266), (142, 197990), (260, 108133), (284, 98995), (355, 79196), (710, 39598), (923, 30460), (1420, 19799), (1523, 18460), (1846, 15230), (3046, 9230), (3692, 7615), (4615, 6092)]