64444880

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6343}}^1$

素因数の和:6483

約数の個数: 40

約数和(自身を含む): 151037952

約数和(自身を除く): 86593072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 6343, 10160, 12686, 25372, 31715, 50744, 63430, 101488, 126860, 253720, 507440, 805561, 1611122, 3222244, 4027805, 6444488, 8055610, 12888976, 16111220, 32222440, 64444880]

約数ペア:

[(1, 64444880), (2, 32222440), (4, 16111220), (5, 12888976), (8, 8055610), (10, 6444488), (16, 4027805), (20, 3222244), (40, 1611122), (80, 805561), (127, 507440), (254, 253720), (508, 126860), (635, 101488), (1016, 63430), (1270, 50744), (2032, 31715), (2540, 25372), (5080, 12686), (6343, 10160)]