27964480

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2819}}^1$

素因数の和:2867

約数の個数: 56

約数和(自身を含む): 68762880

約数和(自身を除く): 40798400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 2819, 4960, 5638, 9920, 11276, 14095, 22552, 28190, 45104, 56380, 87389, 90208, 112760, 174778, 180416, 225520, 349556, 436945, 451040, 699112, 873890, 902080, 1398224, 1747780, 2796448, 3495560, 5592896, 6991120, 13982240, 27964480]

約数ペア:

[(1, 27964480), (2, 13982240), (4, 6991120), (5, 5592896), (8, 3495560), (10, 2796448), (16, 1747780), (20, 1398224), (31, 902080), (32, 873890), (40, 699112), (62, 451040), (64, 436945), (80, 349556), (124, 225520), (155, 180416), (160, 174778), (248, 112760), (310, 90208), (320, 87389), (496, 56380), (620, 45104), (992, 28190), (1240, 22552), (1984, 14095), (2480, 11276), (2819, 9920), (4960, 5638)]