40821880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{257}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 106161840

約数和(自身を除く): 65339960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 257, 361, 380, 418, 440, 514, 722, 760, 836, 1028, 1045, 1285, 1444, 1672, 1805, 2056, 2090, 2570, 2827, 2888, 3610, 3971, 4180, 4883, 5140, 5654, 7220, 7942, 8360, 9766, 10280, 11308, 14135, 14440, 15884, 19532, 19855, 22616, 24415, 28270, 31768, 39064, 39710, 48830, 53713, 56540, 79420, 92777, 97660, 107426, 113080, 158840, 185554, 195320, 214852, 268565, 371108, 429704, 463885, 537130, 742216, 927770, 1020547, 1074260, 1855540, 2041094, 2148520, 3711080, 4082188, 5102735, 8164376, 10205470, 20410940, 40821880]

約数ペア:

[(1, 40821880), (2, 20410940), (4, 10205470), (5, 8164376), (8, 5102735), (10, 4082188), (11, 3711080), (19, 2148520), (20, 2041094), (22, 1855540), (38, 1074260), (40, 1020547), (44, 927770), (55, 742216), (76, 537130), (88, 463885), (95, 429704), (110, 371108), (152, 268565), (190, 214852), (209, 195320), (220, 185554), (257, 158840), (361, 113080), (380, 107426), (418, 97660), (440, 92777), (514, 79420), (722, 56540), (760, 53713), (836, 48830), (1028, 39710), (1045, 39064), (1285, 31768), (1444, 28270), (1672, 24415), (1805, 22616), (2056, 19855), (2090, 19532), (2570, 15884), (2827, 14440), (2888, 14135), (3610, 11308), (3971, 10280), (4180, 9766), (4883, 8360), (5140, 7942), (5654, 7220)]