91189760

素因数分解:

$2^9\times 5^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:401

約数の個数: 80

約数和(自身を含む): 220968000

約数和(自身を除く): 129778240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 179, 199, 256, 320, 358, 398, 512, 640, 716, 796, 895, 995, 1280, 1432, 1592, 1790, 1990, 2560, 2864, 3184, 3580, 3980, 5728, 6368, 7160, 7960, 11456, 12736, 14320, 15920, 22912, 25472, 28640, 31840, 35621, 45824, 50944, 57280, 63680, 71242, 91648, 101888, 114560, 127360, 142484, 178105, 229120, 254720, 284968, 356210, 458240, 509440, 569936, 712420, 1139872, 1424840, 2279744, 2849680, 4559488, 5699360, 9118976, 11398720, 18237952, 22797440, 45594880, 91189760]

約数ペア:

[(1, 91189760), (2, 45594880), (4, 22797440), (5, 18237952), (8, 11398720), (10, 9118976), (16, 5699360), (20, 4559488), (32, 2849680), (40, 2279744), (64, 1424840), (80, 1139872), (128, 712420), (160, 569936), (179, 509440), (199, 458240), (256, 356210), (320, 284968), (358, 254720), (398, 229120), (512, 178105), (640, 142484), (716, 127360), (796, 114560), (895, 101888), (995, 91648), (1280, 71242), (1432, 63680), (1592, 57280), (1790, 50944), (1990, 45824), (2560, 35621), (2864, 31840), (3184, 28640), (3580, 25472), (3980, 22912), (5728, 15920), (6368, 14320), (7160, 12736), (7960, 11456)]