128426982400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{5016679}}^1$

素因数の和:5016709

約数の個数: 66

約数和(自身を含む): 318343462760

約数和(自身を除く): 189916480360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2560, 3200, 5120, 6400, 12800, 25600, 5016679, 10033358, 20066716, 25083395, 40133432, 50166790, 80266864, 100333580, 125416975, 160533728, 200667160, 250833950, 321067456, 401334320, 501667900, 642134912, 802668640, 1003335800, 1284269824, 1605337280, 2006671600, 2568539648, 3210674560, 4013343200, 5137079296, 6421349120, 8026686400, 12842698240, 16053372800, 25685396480, 32106745600, 64213491200, 128426982400]

約数ペア:

[(1, 128426982400), (2, 64213491200), (4, 32106745600), (5, 25685396480), (8, 16053372800), (10, 12842698240), (16, 8026686400), (20, 6421349120), (25, 5137079296), (32, 4013343200), (40, 3210674560), (50, 2568539648), (64, 2006671600), (80, 1605337280), (100, 1284269824), (128, 1003335800), (160, 802668640), (200, 642134912), (256, 501667900), (320, 401334320), (400, 321067456), (512, 250833950), (640, 200667160), (800, 160533728), (1024, 125416975), (1280, 100333580), (1600, 80266864), (2560, 50166790), (3200, 40133432), (5120, 25083395), (6400, 20066716), (12800, 10033358), (25600, 5016679)]