28676960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1$

素因数の和:856

約数の個数: 96

約数和(自身を含む): 77347872

約数和(自身を除く): 48670912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 520, 544, 680, 811, 884, 1040, 1105, 1360, 1622, 1768, 2080, 2210, 2720, 3244, 3536, 4055, 4420, 6488, 7072, 8110, 8840, 10543, 12976, 13787, 16220, 17680, 21086, 25952, 27574, 32440, 35360, 42172, 52715, 55148, 64880, 68935, 84344, 105430, 110296, 129760, 137870, 168688, 179231, 210860, 220592, 275740, 337376, 358462, 421720, 441184, 551480, 716924, 843440, 896155, 1102960, 1433848, 1686880, 1792310, 2205920, 2867696, 3584620, 5735392, 7169240, 14338480, 28676960]

約数ペア:

[(1, 28676960), (2, 14338480), (4, 7169240), (5, 5735392), (8, 3584620), (10, 2867696), (13, 2205920), (16, 1792310), (17, 1686880), (20, 1433848), (26, 1102960), (32, 896155), (34, 843440), (40, 716924), (52, 551480), (65, 441184), (68, 421720), (80, 358462), (85, 337376), (104, 275740), (130, 220592), (136, 210860), (160, 179231), (170, 168688), (208, 137870), (221, 129760), (260, 110296), (272, 105430), (340, 84344), (416, 68935), (442, 64880), (520, 55148), (544, 52715), (680, 42172), (811, 35360), (884, 32440), (1040, 27574), (1105, 25952), (1360, 21086), (1622, 17680), (1768, 16220), (2080, 13787), (2210, 12976), (2720, 10543), (3244, 8840), (3536, 8110), (4055, 7072), (4420, 6488)]