3984520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 9642240

約数和(自身を除く): 5657720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 71, 92, 115, 122, 142, 184, 230, 244, 284, 305, 355, 460, 488, 568, 610, 710, 920, 1220, 1403, 1420, 1633, 2440, 2806, 2840, 3266, 4331, 5612, 6532, 7015, 8165, 8662, 11224, 13064, 14030, 16330, 17324, 21655, 28060, 32660, 34648, 43310, 56120, 65320, 86620, 99613, 173240, 199226, 398452, 498065, 796904, 996130, 1992260, 3984520]

約数ペア:

[(1, 3984520), (2, 1992260), (4, 996130), (5, 796904), (8, 498065), (10, 398452), (20, 199226), (23, 173240), (40, 99613), (46, 86620), (61, 65320), (71, 56120), (92, 43310), (115, 34648), (122, 32660), (142, 28060), (184, 21655), (230, 17324), (244, 16330), (284, 14030), (305, 13064), (355, 11224), (460, 8662), (488, 8165), (568, 7015), (610, 6532), (710, 5612), (920, 4331), (1220, 3266), (1403, 2840), (1420, 2806), (1633, 2440)]