79796480

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2063

約数の個数: 72

約数和(自身を含む): 197401344

約数和(自身を除く): 117604864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2011, 2480, 3968, 4022, 4960, 7936, 8044, 9920, 10055, 16088, 19840, 20110, 32176, 39680, 40220, 62341, 64352, 80440, 124682, 128704, 160880, 249364, 257408, 311705, 321760, 498728, 514816, 623410, 643520, 997456, 1246820, 1287040, 1994912, 2493640, 2574080, 3989824, 4987280, 7979648, 9974560, 15959296, 19949120, 39898240, 79796480]

約数ペア:

[(1, 79796480), (2, 39898240), (4, 19949120), (5, 15959296), (8, 9974560), (10, 7979648), (16, 4987280), (20, 3989824), (31, 2574080), (32, 2493640), (40, 1994912), (62, 1287040), (64, 1246820), (80, 997456), (124, 643520), (128, 623410), (155, 514816), (160, 498728), (248, 321760), (256, 311705), (310, 257408), (320, 249364), (496, 160880), (620, 128704), (640, 124682), (992, 80440), (1240, 64352), (1280, 62341), (1984, 40220), (2011, 39680), (2480, 32176), (3968, 20110), (4022, 19840), (4960, 16088), (7936, 10055), (8044, 9920)]