26878240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5419}}^1$

素因数の和:5465

約数の個数: 48

約数和(自身を含む): 65560320

約数和(自身を除く): 38682080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 5419, 10838, 21676, 27095, 43352, 54190, 86704, 108380, 167989, 173408, 216760, 335978, 433520, 671956, 839945, 867040, 1343912, 1679890, 2687824, 3359780, 5375648, 6719560, 13439120, 26878240]

約数ペア:

[(1, 26878240), (2, 13439120), (4, 6719560), (5, 5375648), (8, 3359780), (10, 2687824), (16, 1679890), (20, 1343912), (31, 867040), (32, 839945), (40, 671956), (62, 433520), (80, 335978), (124, 216760), (155, 173408), (160, 167989), (248, 108380), (310, 86704), (496, 54190), (620, 43352), (992, 27095), (1240, 21676), (2480, 10838), (4960, 5419)]