51204400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 136154480

約数和(自身を除く): 84950080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 43, 50, 52, 65, 80, 86, 100, 104, 130, 172, 200, 208, 215, 229, 260, 325, 344, 400, 430, 458, 520, 559, 650, 688, 860, 916, 1040, 1075, 1118, 1145, 1300, 1720, 1832, 2150, 2236, 2290, 2600, 2795, 2977, 3440, 3664, 4300, 4472, 4580, 5200, 5590, 5725, 5954, 8600, 8944, 9160, 9847, 11180, 11450, 11908, 13975, 14885, 17200, 18320, 19694, 22360, 22900, 23816, 27950, 29770, 39388, 44720, 45800, 47632, 49235, 55900, 59540, 74425, 78776, 91600, 98470, 111800, 119080, 128011, 148850, 157552, 196940, 223600, 238160, 246175, 256022, 297700, 393880, 492350, 512044, 595400, 640055, 787760, 984700, 1024088, 1190800, 1280110, 1969400, 2048176, 2560220, 3200275, 3938800, 5120440, 6400550, 10240880, 12801100, 25602200, 51204400]

約数ペア:

[(1, 51204400), (2, 25602200), (4, 12801100), (5, 10240880), (8, 6400550), (10, 5120440), (13, 3938800), (16, 3200275), (20, 2560220), (25, 2048176), (26, 1969400), (40, 1280110), (43, 1190800), (50, 1024088), (52, 984700), (65, 787760), (80, 640055), (86, 595400), (100, 512044), (104, 492350), (130, 393880), (172, 297700), (200, 256022), (208, 246175), (215, 238160), (229, 223600), (260, 196940), (325, 157552), (344, 148850), (400, 128011), (430, 119080), (458, 111800), (520, 98470), (559, 91600), (650, 78776), (688, 74425), (860, 59540), (916, 55900), (1040, 49235), (1075, 47632), (1118, 45800), (1145, 44720), (1300, 39388), (1720, 29770), (1832, 27950), (2150, 23816), (2236, 22900), (2290, 22360), (2600, 19694), (2795, 18320), (2977, 17200), (3440, 14885), (3664, 13975), (4300, 11908), (4472, 11450), (4580, 11180), (5200, 9847), (5590, 9160), (5725, 8944), (5954, 8600)]