65221120

素因数分解:

$2^9\times 5^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:445

約数の個数: 80

約数和(自身を含む): 158974200

約数和(自身を除く): 93753080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 320, 349, 365, 512, 584, 640, 698, 730, 1168, 1280, 1396, 1460, 1745, 2336, 2560, 2792, 2920, 3490, 4672, 5584, 5840, 6980, 9344, 11168, 11680, 13960, 18688, 22336, 23360, 25477, 27920, 37376, 44672, 46720, 50954, 55840, 89344, 93440, 101908, 111680, 127385, 178688, 186880, 203816, 223360, 254770, 407632, 446720, 509540, 815264, 893440, 1019080, 1630528, 2038160, 3261056, 4076320, 6522112, 8152640, 13044224, 16305280, 32610560, 65221120]

約数ペア:

[(1, 65221120), (2, 32610560), (4, 16305280), (5, 13044224), (8, 8152640), (10, 6522112), (16, 4076320), (20, 3261056), (32, 2038160), (40, 1630528), (64, 1019080), (73, 893440), (80, 815264), (128, 509540), (146, 446720), (160, 407632), (256, 254770), (292, 223360), (320, 203816), (349, 186880), (365, 178688), (512, 127385), (584, 111680), (640, 101908), (698, 93440), (730, 89344), (1168, 55840), (1280, 50954), (1396, 46720), (1460, 44672), (1745, 37376), (2336, 27920), (2560, 25477), (2792, 23360), (2920, 22336), (3490, 18688), (4672, 13960), (5584, 11680), (5840, 11168), (6980, 9344)]