9791720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4013}}^1$

素因数の和:4085

約数の個数: 32

約数和(自身を含む): 22398120

約数和(自身を除く): 12606400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 4013, 8026, 16052, 20065, 32104, 40130, 80260, 160520, 244793, 489586, 979172, 1223965, 1958344, 2447930, 4895860, 9791720]

約数ペア:

[(1, 9791720), (2, 4895860), (4, 2447930), (5, 1958344), (8, 1223965), (10, 979172), (20, 489586), (40, 244793), (61, 160520), (122, 80260), (244, 40130), (305, 32104), (488, 20065), (610, 16052), (1220, 8026), (2440, 4013)]