38402480

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6761}}^1$

素因数の和:6845

約数の個数: 40

約数和(自身を含む): 90556704

約数和(自身を除く): 52154224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 6761, 13522, 27044, 33805, 54088, 67610, 108176, 135220, 270440, 480031, 540880, 960062, 1920124, 2400155, 3840248, 4800310, 7680496, 9600620, 19201240, 38402480]

約数ペア:

[(1, 38402480), (2, 19201240), (4, 9600620), (5, 7680496), (8, 4800310), (10, 3840248), (16, 2400155), (20, 1920124), (40, 960062), (71, 540880), (80, 480031), (142, 270440), (284, 135220), (355, 108176), (568, 67610), (710, 54088), (1136, 33805), (1420, 27044), (2840, 13522), (5680, 6761)]