259017200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{49811}}^1$

素因数の和:49842

約数の個数: 60

約数和(自身を含む): 670170648

約数和(自身を除く): 411153448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 49811, 99622, 199244, 249055, 398488, 498110, 647543, 796976, 996220, 1245275, 1295086, 1992440, 2490550, 2590172, 3237715, 3984880, 4981100, 5180344, 6475430, 9962200, 10360688, 12950860, 16188575, 19924400, 25901720, 32377150, 51803440, 64754300, 129508600, 259017200]

約数ペア:

[(1, 259017200), (2, 129508600), (4, 64754300), (5, 51803440), (8, 32377150), (10, 25901720), (13, 19924400), (16, 16188575), (20, 12950860), (25, 10360688), (26, 9962200), (40, 6475430), (50, 5180344), (52, 4981100), (65, 3984880), (80, 3237715), (100, 2590172), (104, 2490550), (130, 1992440), (200, 1295086), (208, 1245275), (260, 996220), (325, 796976), (400, 647543), (520, 498110), (650, 398488), (1040, 249055), (1300, 199244), (2600, 99622), (5200, 49811)]