2549440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:305

約数の個数: 56

約数和(自身を含む): 6291072

約数和(自身を除く): 3741632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 257, 310, 320, 496, 514, 620, 992, 1028, 1240, 1285, 1984, 2056, 2480, 2570, 4112, 4960, 5140, 7967, 8224, 9920, 10280, 15934, 16448, 20560, 31868, 39835, 41120, 63736, 79670, 82240, 127472, 159340, 254944, 318680, 509888, 637360, 1274720, 2549440]

約数ペア:

[(1, 2549440), (2, 1274720), (4, 637360), (5, 509888), (8, 318680), (10, 254944), (16, 159340), (20, 127472), (31, 82240), (32, 79670), (40, 63736), (62, 41120), (64, 39835), (80, 31868), (124, 20560), (155, 16448), (160, 15934), (248, 10280), (257, 9920), (310, 8224), (320, 7967), (496, 5140), (514, 4960), (620, 4112), (992, 2570), (1028, 2480), (1240, 2056), (1285, 1984)]