64734640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47599}}^1$

素因数の和:47629

約数の個数: 40

約数和(自身を含む): 159364800

約数和(自身を除く): 94630160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 47599, 95198, 190396, 237995, 380792, 475990, 761584, 809183, 951980, 1618366, 1903960, 3236732, 3807920, 4045915, 6473464, 8091830, 12946928, 16183660, 32367320, 64734640]

約数ペア:

[(1, 64734640), (2, 32367320), (4, 16183660), (5, 12946928), (8, 8091830), (10, 6473464), (16, 4045915), (17, 3807920), (20, 3236732), (34, 1903960), (40, 1618366), (68, 951980), (80, 809183), (85, 761584), (136, 475990), (170, 380792), (272, 237995), (340, 190396), (680, 95198), (1360, 47599)]