72019840

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2617}}^1$

素因数の和:2679

約数の個数: 64

約数和(自身を含む): 176243760

約数和(自身を除く): 104223920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1376, 1720, 2617, 2752, 3440, 5234, 5504, 6880, 10468, 13085, 13760, 20936, 26170, 27520, 41872, 52340, 83744, 104680, 112531, 167488, 209360, 225062, 334976, 418720, 450124, 562655, 837440, 900248, 1125310, 1674880, 1800496, 2250620, 3600992, 4501240, 7201984, 9002480, 14403968, 18004960, 36009920, 72019840]

約数ペア:

[(1, 72019840), (2, 36009920), (4, 18004960), (5, 14403968), (8, 9002480), (10, 7201984), (16, 4501240), (20, 3600992), (32, 2250620), (40, 1800496), (43, 1674880), (64, 1125310), (80, 900248), (86, 837440), (128, 562655), (160, 450124), (172, 418720), (215, 334976), (320, 225062), (344, 209360), (430, 167488), (640, 112531), (688, 104680), (860, 83744), (1376, 52340), (1720, 41872), (2617, 27520), (2752, 26170), (3440, 20936), (5234, 13760), (5504, 13085), (6880, 10468)]