131248000

素因数分解:

$2^7\times 5^3\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:673

約数の個数: 128

約数和(自身を含む): 351973440

約数和(自身を除く): 220725440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 200, 208, 250, 260, 320, 325, 400, 416, 500, 520, 631, 640, 650, 800, 832, 1000, 1040, 1262, 1300, 1600, 1625, 1664, 2000, 2080, 2524, 2600, 3155, 3200, 3250, 4000, 4160, 5048, 5200, 6310, 6500, 8000, 8203, 8320, 10096, 10400, 12620, 13000, 15775, 16000, 16406, 20192, 20800, 25240, 26000, 31550, 32812, 40384, 41015, 41600, 50480, 52000, 63100, 65624, 78875, 80768, 82030, 100960, 104000, 126200, 131248, 157750, 164060, 201920, 205075, 208000, 252400, 262496, 315500, 328120, 403840, 410150, 504800, 524992, 631000, 656240, 820300, 1009600, 1025375, 1049984, 1262000, 1312480, 1640600, 2019200, 2050750, 2524000, 2624960, 3281200, 4101500, 5048000, 5249920, 6562400, 8203000, 10096000, 13124800, 16406000, 26249600, 32812000, 65624000, 131248000]

約数ペア:

[(1, 131248000), (2, 65624000), (4, 32812000), (5, 26249600), (8, 16406000), (10, 13124800), (13, 10096000), (16, 8203000), (20, 6562400), (25, 5249920), (26, 5048000), (32, 4101500), (40, 3281200), (50, 2624960), (52, 2524000), (64, 2050750), (65, 2019200), (80, 1640600), (100, 1312480), (104, 1262000), (125, 1049984), (128, 1025375), (130, 1009600), (160, 820300), (200, 656240), (208, 631000), (250, 524992), (260, 504800), (320, 410150), (325, 403840), (400, 328120), (416, 315500), (500, 262496), (520, 252400), (631, 208000), (640, 205075), (650, 201920), (800, 164060), (832, 157750), (1000, 131248), (1040, 126200), (1262, 104000), (1300, 100960), (1600, 82030), (1625, 80768), (1664, 78875), (2000, 65624), (2080, 63100), (2524, 52000), (2600, 50480), (3155, 41600), (3200, 41015), (3250, 40384), (4000, 32812), (4160, 31550), (5048, 26000), (5200, 25240), (6310, 20800), (6500, 20192), (8000, 16406), (8203, 16000), (8320, 15775), (10096, 13000), (10400, 12620)]