40742680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 107827200

約数和(自身を除く): 67084520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 31, 40, 44, 55, 58, 62, 88, 103, 110, 116, 124, 145, 155, 206, 220, 232, 248, 290, 310, 319, 341, 412, 440, 515, 580, 620, 638, 682, 824, 899, 1030, 1133, 1160, 1240, 1276, 1364, 1595, 1705, 1798, 2060, 2266, 2552, 2728, 2987, 3190, 3193, 3410, 3596, 4120, 4495, 4532, 5665, 5974, 6380, 6386, 6820, 7192, 8990, 9064, 9889, 11330, 11948, 12760, 12772, 13640, 14935, 15965, 17980, 19778, 22660, 23896, 25544, 29870, 31930, 32857, 35123, 35960, 39556, 45320, 49445, 59740, 63860, 65714, 70246, 79112, 92597, 98890, 119480, 127720, 131428, 140492, 164285, 175615, 185194, 197780, 262856, 280984, 328570, 351230, 370388, 395560, 462985, 657140, 702460, 740776, 925970, 1018567, 1314280, 1404920, 1851940, 2037134, 3703880, 4074268, 5092835, 8148536, 10185670, 20371340, 40742680]

約数ペア:

[(1, 40742680), (2, 20371340), (4, 10185670), (5, 8148536), (8, 5092835), (10, 4074268), (11, 3703880), (20, 2037134), (22, 1851940), (29, 1404920), (31, 1314280), (40, 1018567), (44, 925970), (55, 740776), (58, 702460), (62, 657140), (88, 462985), (103, 395560), (110, 370388), (116, 351230), (124, 328570), (145, 280984), (155, 262856), (206, 197780), (220, 185194), (232, 175615), (248, 164285), (290, 140492), (310, 131428), (319, 127720), (341, 119480), (412, 98890), (440, 92597), (515, 79112), (580, 70246), (620, 65714), (638, 63860), (682, 59740), (824, 49445), (899, 45320), (1030, 39556), (1133, 35960), (1160, 35123), (1240, 32857), (1276, 31930), (1364, 29870), (1595, 25544), (1705, 23896), (1798, 22660), (2060, 19778), (2266, 17980), (2552, 15965), (2728, 14935), (2987, 13640), (3190, 12772), (3193, 12760), (3410, 11948), (3596, 11330), (4120, 9889), (4495, 9064), (4532, 8990), (5665, 7192), (5974, 6820), (6380, 6386)]