2554400

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:154

約数の個数: 72

約数和(自身を含む): 6499584

約数和(自身を除く): 3945184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 103, 124, 155, 160, 200, 206, 248, 310, 400, 412, 496, 515, 620, 775, 800, 824, 992, 1030, 1240, 1550, 1648, 2060, 2480, 2575, 3100, 3193, 3296, 4120, 4960, 5150, 6200, 6386, 8240, 10300, 12400, 12772, 15965, 16480, 20600, 24800, 25544, 31930, 41200, 51088, 63860, 79825, 82400, 102176, 127720, 159650, 255440, 319300, 510880, 638600, 1277200, 2554400]

約数ペア:

[(1, 2554400), (2, 1277200), (4, 638600), (5, 510880), (8, 319300), (10, 255440), (16, 159650), (20, 127720), (25, 102176), (31, 82400), (32, 79825), (40, 63860), (50, 51088), (62, 41200), (80, 31930), (100, 25544), (103, 24800), (124, 20600), (155, 16480), (160, 15965), (200, 12772), (206, 12400), (248, 10300), (310, 8240), (400, 6386), (412, 6200), (496, 5150), (515, 4960), (620, 4120), (775, 3296), (800, 3193), (824, 3100), (992, 2575), (1030, 2480), (1240, 2060), (1550, 1648)]