86909120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8761}}^1$

素因数の和:8809

約数の個数: 56

約数和(自身を含む): 213652608

約数和(自身を除く): 126743488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 8761, 9920, 17522, 35044, 43805, 70088, 87610, 140176, 175220, 271591, 280352, 350440, 543182, 560704, 700880, 1086364, 1357955, 1401760, 2172728, 2715910, 2803520, 4345456, 5431820, 8690912, 10863640, 17381824, 21727280, 43454560, 86909120]

約数ペア:

[(1, 86909120), (2, 43454560), (4, 21727280), (5, 17381824), (8, 10863640), (10, 8690912), (16, 5431820), (20, 4345456), (31, 2803520), (32, 2715910), (40, 2172728), (62, 1401760), (64, 1357955), (80, 1086364), (124, 700880), (155, 560704), (160, 543182), (248, 350440), (310, 280352), (320, 271591), (496, 175220), (620, 140176), (992, 87610), (1240, 70088), (1984, 43805), (2480, 35044), (4960, 17522), (8761, 9920)]