49415680

素因数分解:

$2^9\times 5^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 80

約数和(自身を含む): 120304800

約数和(自身を除く): 70889120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 199, 256, 320, 388, 398, 485, 512, 640, 776, 796, 970, 995, 1280, 1552, 1592, 1940, 1990, 2560, 3104, 3184, 3880, 3980, 6208, 6368, 7760, 7960, 12416, 12736, 15520, 15920, 19303, 24832, 25472, 31040, 31840, 38606, 49664, 50944, 62080, 63680, 77212, 96515, 101888, 124160, 127360, 154424, 193030, 248320, 254720, 308848, 386060, 509440, 617696, 772120, 1235392, 1544240, 2470784, 3088480, 4941568, 6176960, 9883136, 12353920, 24707840, 49415680]

約数ペア:

[(1, 49415680), (2, 24707840), (4, 12353920), (5, 9883136), (8, 6176960), (10, 4941568), (16, 3088480), (20, 2470784), (32, 1544240), (40, 1235392), (64, 772120), (80, 617696), (97, 509440), (128, 386060), (160, 308848), (194, 254720), (199, 248320), (256, 193030), (320, 154424), (388, 127360), (398, 124160), (485, 101888), (512, 96515), (640, 77212), (776, 63680), (796, 62080), (970, 50944), (995, 49664), (1280, 38606), (1552, 31840), (1592, 31040), (1940, 25472), (1990, 24832), (2560, 19303), (3104, 15920), (3184, 15520), (3880, 12736), (3980, 12416), (6208, 7960), (6368, 7760)]