39318880

素因数分解:

$2^5\times 5^1\times {\mathrm{397}}^1\times {\mathrm{619}}^1$

素因数の和:1031

約数の個数: 48

約数和(自身を含む): 93275280

約数和(自身を除く): 53956400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 397, 619, 794, 1238, 1588, 1985, 2476, 3095, 3176, 3970, 4952, 6190, 6352, 7940, 9904, 12380, 12704, 15880, 19808, 24760, 31760, 49520, 63520, 99040, 245743, 491486, 982972, 1228715, 1965944, 2457430, 3931888, 4914860, 7863776, 9829720, 19659440, 39318880]

約数ペア:

[(1, 39318880), (2, 19659440), (4, 9829720), (5, 7863776), (8, 4914860), (10, 3931888), (16, 2457430), (20, 1965944), (32, 1228715), (40, 982972), (80, 491486), (160, 245743), (397, 99040), (619, 63520), (794, 49520), (1238, 31760), (1588, 24760), (1985, 19808), (2476, 15880), (3095, 12704), (3176, 12380), (3970, 9904), (4952, 7940), (6190, 6352)]