156729680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{24799}}^1$

素因数の和:24891

約数の個数: 40

約数和(自身を含む): 369024000

約数和(自身を除く): 212294320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 24799, 49598, 99196, 123995, 198392, 247990, 396784, 495980, 991960, 1959121, 1983920, 3918242, 7836484, 9795605, 15672968, 19591210, 31345936, 39182420, 78364840, 156729680]

約数ペア:

[(1, 156729680), (2, 78364840), (4, 39182420), (5, 31345936), (8, 19591210), (10, 15672968), (16, 9795605), (20, 7836484), (40, 3918242), (79, 1983920), (80, 1959121), (158, 991960), (316, 495980), (395, 396784), (632, 247990), (790, 198392), (1264, 123995), (1580, 99196), (3160, 49598), (6320, 24799)]