79479040

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2055

約数の個数: 72

約数和(自身を含む): 196616448

約数和(自身を除く): 117137408

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, 2003, 2480, 3968, 4006, 4960, 7936, 8012, 9920, 10015, 16024, 19840, 20030, 32048, 39680, 40060, 62093, 64096, 80120, 124186, 128192, 160240, 248372, 256384, 310465, 320480, 496744, 512768, 620930, 640960, 993488, 1241860, 1281920, 1986976, 2483720, 2563840, 3973952, 4967440, 7947904, 9934880, 15895808, 19869760, 39739520, 79479040]

約数ペア:

[(1, 79479040), (2, 39739520), (4, 19869760), (5, 15895808), (8, 9934880), (10, 7947904), (16, 4967440), (20, 3973952), (31, 2563840), (32, 2483720), (40, 1986976), (62, 1281920), (64, 1241860), (80, 993488), (124, 640960), (128, 620930), (155, 512768), (160, 496744), (248, 320480), (256, 310465), (310, 256384), (320, 248372), (496, 160240), (620, 128192), (640, 124186), (992, 80120), (1240, 64096), (1280, 62093), (1984, 40060), (2003, 39680), (2480, 32048), (3968, 20030), (4006, 19840), (4960, 16024), (7936, 10015), (8012, 9920)]