5204720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 80

約数和(自身を含む): 13258080

約数和(自身を除く): 8053360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 89, 136, 170, 172, 178, 215, 272, 340, 344, 356, 430, 445, 680, 688, 712, 731, 860, 890, 1360, 1424, 1462, 1513, 1720, 1780, 2924, 3026, 3440, 3560, 3655, 3827, 5848, 6052, 7120, 7310, 7565, 7654, 11696, 12104, 14620, 15130, 15308, 19135, 24208, 29240, 30260, 30616, 38270, 58480, 60520, 61232, 65059, 76540, 121040, 130118, 153080, 260236, 306160, 325295, 520472, 650590, 1040944, 1301180, 2602360, 5204720]

約数ペア:

[(1, 5204720), (2, 2602360), (4, 1301180), (5, 1040944), (8, 650590), (10, 520472), (16, 325295), (17, 306160), (20, 260236), (34, 153080), (40, 130118), (43, 121040), (68, 76540), (80, 65059), (85, 61232), (86, 60520), (89, 58480), (136, 38270), (170, 30616), (172, 30260), (178, 29240), (215, 24208), (272, 19135), (340, 15308), (344, 15130), (356, 14620), (430, 12104), (445, 11696), (680, 7654), (688, 7565), (712, 7310), (731, 7120), (860, 6052), (890, 5848), (1360, 3827), (1424, 3655), (1462, 3560), (1513, 3440), (1720, 3026), (1780, 2924)]