42279040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2181

約数の個数: 64

約数和(自身を含む): 104382720

約数和(自身を除く): 62103680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2131, 2480, 3968, 4262, 4960, 8524, 9920, 10655, 17048, 19840, 21310, 34096, 42620, 66061, 68192, 85240, 132122, 136384, 170480, 264244, 272768, 330305, 340960, 528488, 660610, 681920, 1056976, 1321220, 1363840, 2113952, 2642440, 4227904, 5284880, 8455808, 10569760, 21139520, 42279040]

約数ペア:

[(1, 42279040), (2, 21139520), (4, 10569760), (5, 8455808), (8, 5284880), (10, 4227904), (16, 2642440), (20, 2113952), (31, 1363840), (32, 1321220), (40, 1056976), (62, 681920), (64, 660610), (80, 528488), (124, 340960), (128, 330305), (155, 272768), (160, 264244), (248, 170480), (310, 136384), (320, 132122), (496, 85240), (620, 68192), (640, 66061), (992, 42620), (1240, 34096), (1984, 21310), (2131, 19840), (2480, 17048), (3968, 10655), (4262, 9920), (4960, 8524)]