40729600

素因数分解:

$2^{10}\times 5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 132

約数和(自身を含む): 106100104

約数和(自身を除く): 65370504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 43, 50, 64, 74, 80, 86, 100, 128, 148, 160, 172, 185, 200, 215, 256, 296, 320, 344, 370, 400, 430, 512, 592, 640, 688, 740, 800, 860, 925, 1024, 1075, 1184, 1280, 1376, 1480, 1591, 1600, 1720, 1850, 2150, 2368, 2560, 2752, 2960, 3182, 3200, 3440, 3700, 4300, 4736, 5120, 5504, 5920, 6364, 6400, 6880, 7400, 7955, 8600, 9472, 11008, 11840, 12728, 12800, 13760, 14800, 15910, 17200, 18944, 22016, 23680, 25456, 25600, 27520, 29600, 31820, 34400, 37888, 39775, 44032, 47360, 50912, 55040, 59200, 63640, 68800, 79550, 94720, 101824, 110080, 118400, 127280, 137600, 159100, 189440, 203648, 220160, 236800, 254560, 275200, 318200, 407296, 473600, 509120, 550400, 636400, 814592, 947200, 1018240, 1100800, 1272800, 1629184, 2036480, 2545600, 4072960, 5091200, 8145920, 10182400, 20364800, 40729600]

約数ペア:

[(1, 40729600), (2, 20364800), (4, 10182400), (5, 8145920), (8, 5091200), (10, 4072960), (16, 2545600), (20, 2036480), (25, 1629184), (32, 1272800), (37, 1100800), (40, 1018240), (43, 947200), (50, 814592), (64, 636400), (74, 550400), (80, 509120), (86, 473600), (100, 407296), (128, 318200), (148, 275200), (160, 254560), (172, 236800), (185, 220160), (200, 203648), (215, 189440), (256, 159100), (296, 137600), (320, 127280), (344, 118400), (370, 110080), (400, 101824), (430, 94720), (512, 79550), (592, 68800), (640, 63640), (688, 59200), (740, 55040), (800, 50912), (860, 47360), (925, 44032), (1024, 39775), (1075, 37888), (1184, 34400), (1280, 31820), (1376, 29600), (1480, 27520), (1591, 25600), (1600, 25456), (1720, 23680), (1850, 22016), (2150, 18944), (2368, 17200), (2560, 15910), (2752, 14800), (2960, 13760), (3182, 12800), (3200, 12728), (3440, 11840), (3700, 11008), (4300, 9472), (4736, 8600), (5120, 7955), (5504, 7400), (5920, 6880), (6364, 6400)]