28808000

素因数分解:

$2^6\times 5^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1$

素因数の和:317

約数の個数: 112

約数和(自身を含む): 77108304

約数和(自身を除く): 48300304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 130, 160, 200, 208, 250, 260, 277, 320, 325, 400, 416, 500, 520, 554, 650, 800, 832, 1000, 1040, 1108, 1300, 1385, 1600, 1625, 2000, 2080, 2216, 2600, 2770, 3250, 3601, 4000, 4160, 4432, 5200, 5540, 6500, 6925, 7202, 8000, 8864, 10400, 11080, 13000, 13850, 14404, 17728, 18005, 20800, 22160, 26000, 27700, 28808, 34625, 36010, 44320, 52000, 55400, 57616, 69250, 72020, 88640, 90025, 104000, 110800, 115232, 138500, 144040, 180050, 221600, 230464, 277000, 288080, 360100, 443200, 450125, 554000, 576160, 720200, 900250, 1108000, 1152320, 1440400, 1800500, 2216000, 2880800, 3601000, 5761600, 7202000, 14404000, 28808000]

約数ペア:

[(1, 28808000), (2, 14404000), (4, 7202000), (5, 5761600), (8, 3601000), (10, 2880800), (13, 2216000), (16, 1800500), (20, 1440400), (25, 1152320), (26, 1108000), (32, 900250), (40, 720200), (50, 576160), (52, 554000), (64, 450125), (65, 443200), (80, 360100), (100, 288080), (104, 277000), (125, 230464), (130, 221600), (160, 180050), (200, 144040), (208, 138500), (250, 115232), (260, 110800), (277, 104000), (320, 90025), (325, 88640), (400, 72020), (416, 69250), (500, 57616), (520, 55400), (554, 52000), (650, 44320), (800, 36010), (832, 34625), (1000, 28808), (1040, 27700), (1108, 26000), (1300, 22160), (1385, 20800), (1600, 18005), (1625, 17728), (2000, 14404), (2080, 13850), (2216, 13000), (2600, 11080), (2770, 10400), (3250, 8864), (3601, 8000), (4000, 7202), (4160, 6925), (4432, 6500), (5200, 5540)]