28634320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2503}}^1$

素因数の和:2540

約数の個数: 80

約数和(自身を含む): 78244992

約数和(自身を除く): 49610672

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2503, 2860, 5006, 5720, 10012, 11440, 12515, 20024, 25030, 27533, 32539, 40048, 50060, 55066, 65078, 100120, 110132, 130156, 137665, 162695, 200240, 220264, 260312, 275330, 325390, 357929, 440528, 520624, 550660, 650780, 715858, 1101320, 1301560, 1431716, 1789645, 2202640, 2603120, 2863432, 3579290, 5726864, 7158580, 14317160, 28634320]

約数ペア:

[(1, 28634320), (2, 14317160), (4, 7158580), (5, 5726864), (8, 3579290), (10, 2863432), (11, 2603120), (13, 2202640), (16, 1789645), (20, 1431716), (22, 1301560), (26, 1101320), (40, 715858), (44, 650780), (52, 550660), (55, 520624), (65, 440528), (80, 357929), (88, 325390), (104, 275330), (110, 260312), (130, 220264), (143, 200240), (176, 162695), (208, 137665), (220, 130156), (260, 110132), (286, 100120), (440, 65078), (520, 55066), (572, 50060), (715, 40048), (880, 32539), (1040, 27533), (1144, 25030), (1430, 20024), (2288, 12515), (2503, 11440), (2860, 10012), (5006, 5720)]