28110160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 71245440

約数和(自身を除く): 43135280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 151, 179, 208, 260, 302, 358, 520, 604, 716, 755, 895, 1040, 1208, 1432, 1510, 1790, 1963, 2327, 2416, 2864, 3020, 3580, 3926, 4654, 6040, 7160, 7852, 9308, 9815, 11635, 12080, 14320, 15704, 18616, 19630, 23270, 27029, 31408, 37232, 39260, 46540, 54058, 78520, 93080, 108116, 135145, 157040, 186160, 216232, 270290, 351377, 432464, 540580, 702754, 1081160, 1405508, 1756885, 2162320, 2811016, 3513770, 5622032, 7027540, 14055080, 28110160]

約数ペア:

[(1, 28110160), (2, 14055080), (4, 7027540), (5, 5622032), (8, 3513770), (10, 2811016), (13, 2162320), (16, 1756885), (20, 1405508), (26, 1081160), (40, 702754), (52, 540580), (65, 432464), (80, 351377), (104, 270290), (130, 216232), (151, 186160), (179, 157040), (208, 135145), (260, 108116), (302, 93080), (358, 78520), (520, 54058), (604, 46540), (716, 39260), (755, 37232), (895, 31408), (1040, 27029), (1208, 23270), (1432, 19630), (1510, 18616), (1790, 15704), (1963, 14320), (2327, 12080), (2416, 11635), (2864, 9815), (3020, 9308), (3580, 7852), (3926, 7160), (4654, 6040)]