29921720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12263}}^1$

素因数の和:12335

約数の個数: 32

約数和(自身を含む): 68433120

約数和(自身を除く): 38511400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 12263, 24526, 49052, 61315, 98104, 122630, 245260, 490520, 748043, 1496086, 2992172, 3740215, 5984344, 7480430, 14960860, 29921720]

約数ペア:

[(1, 29921720), (2, 14960860), (4, 7480430), (5, 5984344), (8, 3740215), (10, 2992172), (20, 1496086), (40, 748043), (61, 490520), (122, 245260), (244, 122630), (305, 98104), (488, 61315), (610, 49052), (1220, 24526), (2440, 12263)]