71423560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137353}}^1$

素因数の和:137377

約数の個数: 32

約数和(自身を含む): 173066040

約数和(自身を除く): 101642480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137353, 274706, 549412, 686765, 1098824, 1373530, 1785589, 2747060, 3571178, 5494120, 7142356, 8927945, 14284712, 17855890, 35711780, 71423560]

約数ペア:

[(1, 71423560), (2, 35711780), (4, 17855890), (5, 14284712), (8, 8927945), (10, 7142356), (13, 5494120), (20, 3571178), (26, 2747060), (40, 1785589), (52, 1373530), (65, 1098824), (104, 686765), (130, 549412), (260, 274706), (520, 137353)]