18853914880

素因数分解:

$2^8\times 5^1\times {\mathrm{14729621}}^1$

素因数の和:14729642

約数の個数: 36

約数和(自身を含む): 45161021052

約数和(自身を除く): 26307106172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 14729621, 29459242, 58918484, 73648105, 117836968, 147296210, 235673936, 294592420, 471347872, 589184840, 942695744, 1178369680, 1885391488, 2356739360, 3770782976, 4713478720, 9426957440, 18853914880]

約数ペア:

[(1, 18853914880), (2, 9426957440), (4, 4713478720), (5, 3770782976), (8, 2356739360), (10, 1885391488), (16, 1178369680), (20, 942695744), (32, 589184840), (40, 471347872), (64, 294592420), (80, 235673936), (128, 147296210), (160, 117836968), (256, 73648105), (320, 58918484), (640, 29459242), (1280, 14729621)]