40115680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1040

約数の個数: 96

約数和(自身を含む): 107993088

約数和(自身を除く): 67877408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 80, 88, 92, 110, 115, 160, 176, 184, 220, 230, 253, 352, 368, 440, 460, 506, 736, 880, 920, 991, 1012, 1265, 1760, 1840, 1982, 2024, 2530, 3680, 3964, 4048, 4955, 5060, 7928, 8096, 9910, 10120, 10901, 15856, 19820, 20240, 21802, 22793, 31712, 39640, 40480, 43604, 45586, 54505, 79280, 87208, 91172, 109010, 113965, 158560, 174416, 182344, 218020, 227930, 250723, 348832, 364688, 436040, 455860, 501446, 729376, 872080, 911720, 1002892, 1253615, 1744160, 1823440, 2005784, 2507230, 3646880, 4011568, 5014460, 8023136, 10028920, 20057840, 40115680]

約数ペア:

[(1, 40115680), (2, 20057840), (4, 10028920), (5, 8023136), (8, 5014460), (10, 4011568), (11, 3646880), (16, 2507230), (20, 2005784), (22, 1823440), (23, 1744160), (32, 1253615), (40, 1002892), (44, 911720), (46, 872080), (55, 729376), (80, 501446), (88, 455860), (92, 436040), (110, 364688), (115, 348832), (160, 250723), (176, 227930), (184, 218020), (220, 182344), (230, 174416), (253, 158560), (352, 113965), (368, 109010), (440, 91172), (460, 87208), (506, 79280), (736, 54505), (880, 45586), (920, 43604), (991, 40480), (1012, 39640), (1265, 31712), (1760, 22793), (1840, 21802), (1982, 20240), (2024, 19820), (2530, 15856), (3680, 10901), (3964, 10120), (4048, 9910), (4955, 8096), (5060, 7928)]