27773440

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:613

約数の個数: 80

約数和(自身を含む): 70218720

約数和(自身を除く): 42445280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 571, 608, 640, 760, 1142, 1216, 1280, 1520, 2284, 2432, 2560, 2855, 3040, 4568, 4864, 5710, 6080, 9136, 9728, 10849, 11420, 12160, 18272, 21698, 22840, 24320, 36544, 43396, 45680, 48640, 54245, 73088, 86792, 91360, 108490, 146176, 173584, 182720, 216980, 292352, 347168, 365440, 433960, 694336, 730880, 867920, 1388672, 1461760, 1735840, 2777344, 3471680, 5554688, 6943360, 13886720, 27773440]

約数ペア:

[(1, 27773440), (2, 13886720), (4, 6943360), (5, 5554688), (8, 3471680), (10, 2777344), (16, 1735840), (19, 1461760), (20, 1388672), (32, 867920), (38, 730880), (40, 694336), (64, 433960), (76, 365440), (80, 347168), (95, 292352), (128, 216980), (152, 182720), (160, 173584), (190, 146176), (256, 108490), (304, 91360), (320, 86792), (380, 73088), (512, 54245), (571, 48640), (608, 45680), (640, 43396), (760, 36544), (1142, 24320), (1216, 22840), (1280, 21698), (1520, 18272), (2284, 12160), (2432, 11420), (2560, 10849), (2855, 9728), (3040, 9136), (4568, 6080), (4864, 5710)]