78427120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57667}}^1$

素因数の和:57697

約数の個数: 40

約数和(自身を含む): 193072464

約数和(自身を除く): 114645344

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 57667, 115334, 230668, 288335, 461336, 576670, 922672, 980339, 1153340, 1960678, 2306680, 3921356, 4613360, 4901695, 7842712, 9803390, 15685424, 19606780, 39213560, 78427120]

約数ペア:

[(1, 78427120), (2, 39213560), (4, 19606780), (5, 15685424), (8, 9803390), (10, 7842712), (16, 4901695), (17, 4613360), (20, 3921356), (34, 2306680), (40, 1960678), (68, 1153340), (80, 980339), (85, 922672), (136, 576670), (170, 461336), (272, 288335), (340, 230668), (680, 115334), (1360, 57667)]