7404800

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 108

約数和(自身を含む): 19959660

約数和(自身を除く): 12554860

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 89, 100, 104, 128, 130, 160, 178, 200, 208, 256, 260, 320, 325, 356, 400, 416, 445, 520, 640, 650, 712, 800, 832, 890, 1040, 1157, 1280, 1300, 1424, 1600, 1664, 1780, 2080, 2225, 2314, 2600, 2848, 3200, 3328, 3560, 4160, 4450, 4628, 5200, 5696, 5785, 6400, 7120, 8320, 8900, 9256, 10400, 11392, 11570, 14240, 16640, 17800, 18512, 20800, 22784, 23140, 28480, 28925, 35600, 37024, 41600, 46280, 56960, 57850, 71200, 74048, 83200, 92560, 113920, 115700, 142400, 148096, 185120, 231400, 284800, 296192, 370240, 462800, 569600, 740480, 925600, 1480960, 1851200, 3702400, 7404800]

約数ペア:

[(1, 7404800), (2, 3702400), (4, 1851200), (5, 1480960), (8, 925600), (10, 740480), (13, 569600), (16, 462800), (20, 370240), (25, 296192), (26, 284800), (32, 231400), (40, 185120), (50, 148096), (52, 142400), (64, 115700), (65, 113920), (80, 92560), (89, 83200), (100, 74048), (104, 71200), (128, 57850), (130, 56960), (160, 46280), (178, 41600), (200, 37024), (208, 35600), (256, 28925), (260, 28480), (320, 23140), (325, 22784), (356, 20800), (400, 18512), (416, 17800), (445, 16640), (520, 14240), (640, 11570), (650, 11392), (712, 10400), (800, 9256), (832, 8900), (890, 8320), (1040, 7120), (1157, 6400), (1280, 5785), (1300, 5696), (1424, 5200), (1600, 4628), (1664, 4450), (1780, 4160), (2080, 3560), (2225, 3328), (2314, 3200), (2600, 2848)]