25494400

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 65263680

約数和(自身を除く): 39769280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 257, 310, 320, 400, 496, 514, 620, 640, 775, 800, 992, 1028, 1240, 1285, 1550, 1600, 1984, 2056, 2480, 2570, 3100, 3200, 3968, 4112, 4960, 5140, 6200, 6425, 7967, 8224, 9920, 10280, 12400, 12850, 15934, 16448, 19840, 20560, 24800, 25700, 31868, 32896, 39835, 41120, 49600, 51400, 63736, 79670, 82240, 99200, 102800, 127472, 159340, 164480, 199175, 205600, 254944, 318680, 398350, 411200, 509888, 637360, 796700, 822400, 1019776, 1274720, 1593400, 2549440, 3186800, 5098880, 6373600, 12747200, 25494400]

約数ペア:

[(1, 25494400), (2, 12747200), (4, 6373600), (5, 5098880), (8, 3186800), (10, 2549440), (16, 1593400), (20, 1274720), (25, 1019776), (31, 822400), (32, 796700), (40, 637360), (50, 509888), (62, 411200), (64, 398350), (80, 318680), (100, 254944), (124, 205600), (128, 199175), (155, 164480), (160, 159340), (200, 127472), (248, 102800), (257, 99200), (310, 82240), (320, 79670), (400, 63736), (496, 51400), (514, 49600), (620, 41120), (640, 39835), (775, 32896), (800, 31868), (992, 25700), (1028, 24800), (1240, 20560), (1285, 19840), (1550, 16448), (1600, 15934), (1984, 12850), (2056, 12400), (2480, 10280), (2570, 9920), (3100, 8224), (3200, 7967), (3968, 6425), (4112, 6200), (4960, 5140)]