9123640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 21980160

約数和(自身を除く): 12856520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 211, 230, 235, 376, 422, 460, 470, 844, 920, 940, 1055, 1081, 1688, 1880, 2110, 2162, 4220, 4324, 4853, 5405, 8440, 8648, 9706, 9917, 10810, 19412, 19834, 21620, 24265, 38824, 39668, 43240, 48530, 49585, 79336, 97060, 99170, 194120, 198340, 228091, 396680, 456182, 912364, 1140455, 1824728, 2280910, 4561820, 9123640]

約数ペア:

[(1, 9123640), (2, 4561820), (4, 2280910), (5, 1824728), (8, 1140455), (10, 912364), (20, 456182), (23, 396680), (40, 228091), (46, 198340), (47, 194120), (92, 99170), (94, 97060), (115, 79336), (184, 49585), (188, 48530), (211, 43240), (230, 39668), (235, 38824), (376, 24265), (422, 21620), (460, 19834), (470, 19412), (844, 10810), (920, 9917), (940, 9706), (1055, 8648), (1081, 8440), (1688, 5405), (1880, 4853), (2110, 4324), (2162, 4220)]