38791120

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7949}}^1$

素因数の和:8023

約数の個数: 40

約数和(自身を含む): 91679400

約数和(自身を除く): 52888280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 7949, 15898, 31796, 39745, 63592, 79490, 127184, 158980, 317960, 484889, 635920, 969778, 1939556, 2424445, 3879112, 4848890, 7758224, 9697780, 19395560, 38791120]

約数ペア:

[(1, 38791120), (2, 19395560), (4, 9697780), (5, 7758224), (8, 4848890), (10, 3879112), (16, 2424445), (20, 1939556), (40, 969778), (61, 635920), (80, 484889), (122, 317960), (244, 158980), (305, 127184), (488, 79490), (610, 63592), (976, 39745), (1220, 31796), (2440, 15898), (4880, 7949)]