13118720

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 32389224

約数和(自身を除く): 19270504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 277, 296, 320, 370, 554, 592, 640, 740, 1108, 1184, 1280, 1385, 1480, 2216, 2368, 2770, 2960, 4432, 4736, 5540, 5920, 8864, 9472, 10249, 11080, 11840, 17728, 20498, 22160, 23680, 35456, 40996, 44320, 47360, 51245, 70912, 81992, 88640, 102490, 163984, 177280, 204980, 327968, 354560, 409960, 655936, 819920, 1311872, 1639840, 2623744, 3279680, 6559360, 13118720]

約数ペア:

[(1, 13118720), (2, 6559360), (4, 3279680), (5, 2623744), (8, 1639840), (10, 1311872), (16, 819920), (20, 655936), (32, 409960), (37, 354560), (40, 327968), (64, 204980), (74, 177280), (80, 163984), (128, 102490), (148, 88640), (160, 81992), (185, 70912), (256, 51245), (277, 47360), (296, 44320), (320, 40996), (370, 35456), (554, 23680), (592, 22160), (640, 20498), (740, 17728), (1108, 11840), (1184, 11080), (1280, 10249), (1385, 9472), (1480, 8864), (2216, 5920), (2368, 5540), (2770, 4736), (2960, 4432)]