40388920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 111767040

約数和(自身を除く): 71378120

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 88, 92, 104, 110, 115, 130, 143, 184, 220, 230, 253, 260, 286, 299, 307, 440, 460, 506, 520, 572, 598, 614, 715, 920, 1012, 1144, 1196, 1228, 1265, 1430, 1495, 1535, 2024, 2392, 2456, 2530, 2860, 2990, 3070, 3289, 3377, 3991, 5060, 5720, 5980, 6140, 6578, 6754, 7061, 7982, 10120, 11960, 12280, 13156, 13508, 14122, 15964, 16445, 16885, 19955, 26312, 27016, 28244, 31928, 32890, 33770, 35305, 39910, 43901, 56488, 65780, 67540, 70610, 77671, 79820, 87802, 91793, 131560, 135080, 141220, 155342, 159640, 175604, 183586, 219505, 282440, 310684, 351208, 367172, 388355, 439010, 458965, 621368, 734344, 776710, 878020, 917930, 1009723, 1553420, 1756040, 1835860, 2019446, 3106840, 3671720, 4038892, 5048615, 8077784, 10097230, 20194460, 40388920]

約数ペア:

[(1, 40388920), (2, 20194460), (4, 10097230), (5, 8077784), (8, 5048615), (10, 4038892), (11, 3671720), (13, 3106840), (20, 2019446), (22, 1835860), (23, 1756040), (26, 1553420), (40, 1009723), (44, 917930), (46, 878020), (52, 776710), (55, 734344), (65, 621368), (88, 458965), (92, 439010), (104, 388355), (110, 367172), (115, 351208), (130, 310684), (143, 282440), (184, 219505), (220, 183586), (230, 175604), (253, 159640), (260, 155342), (286, 141220), (299, 135080), (307, 131560), (440, 91793), (460, 87802), (506, 79820), (520, 77671), (572, 70610), (598, 67540), (614, 65780), (715, 56488), (920, 43901), (1012, 39910), (1144, 35305), (1196, 33770), (1228, 32890), (1265, 31928), (1430, 28244), (1495, 27016), (1535, 26312), (2024, 19955), (2392, 16885), (2456, 16445), (2530, 15964), (2860, 14122), (2990, 13508), (3070, 13156), (3289, 12280), (3377, 11960), (3991, 10120), (5060, 7982), (5720, 7061), (5980, 6754), (6140, 6578)]