15697840

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{619}}^1$

素因数の和:949

約数の個数: 40

約数和(自身を含む): 36671760

約数和(自身を除く): 20973920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 619, 634, 1238, 1268, 1585, 2476, 2536, 3095, 3170, 4952, 5072, 6190, 6340, 9904, 12380, 12680, 24760, 25360, 49520, 196223, 392446, 784892, 981115, 1569784, 1962230, 3139568, 3924460, 7848920, 15697840]

約数ペア:

[(1, 15697840), (2, 7848920), (4, 3924460), (5, 3139568), (8, 1962230), (10, 1569784), (16, 981115), (20, 784892), (40, 392446), (80, 196223), (317, 49520), (619, 25360), (634, 24760), (1238, 12680), (1268, 12380), (1585, 9904), (2476, 6340), (2536, 6190), (3095, 5072), (3170, 4952)]