640436224

素因数分解:

$2^{11}\times {\mathrm{179}}^1\times {\mathrm{1747}}^1$

素因数の和:1948

約数の個数: 48

約数和(自身を含む): 1288450800

約数和(自身を除く): 648014576

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 179, 256, 358, 512, 716, 1024, 1432, 1747, 2048, 2864, 3494, 5728, 6988, 11456, 13976, 22912, 27952, 45824, 55904, 91648, 111808, 183296, 223616, 312713, 366592, 447232, 625426, 894464, 1250852, 1788928, 2501704, 3577856, 5003408, 10006816, 20013632, 40027264, 80054528, 160109056, 320218112, 640436224]

約数ペア:

[(1, 640436224), (2, 320218112), (4, 160109056), (8, 80054528), (16, 40027264), (32, 20013632), (64, 10006816), (128, 5003408), (179, 3577856), (256, 2501704), (358, 1788928), (512, 1250852), (716, 894464), (1024, 625426), (1432, 447232), (1747, 366592), (2048, 312713), (2864, 223616), (3494, 183296), (5728, 111808), (6988, 91648), (11456, 55904), (13976, 45824), (22912, 27952)]