39679640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1033

約数の個数: 128

約数和(自身を含む): 119992320

約数和(自身を除く): 80312680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 991, 1001, 1144, 1430, 1540, 1820, 1982, 2002, 2860, 3080, 3640, 3964, 4004, 4955, 5005, 5720, 6937, 7928, 8008, 9910, 10010, 10901, 12883, 13874, 19820, 20020, 21802, 25766, 27748, 34685, 39640, 40040, 43604, 51532, 54505, 55496, 64415, 69370, 76307, 87208, 90181, 103064, 109010, 128830, 138740, 141713, 152614, 180362, 218020, 257660, 277480, 283426, 305228, 360724, 381535, 436040, 450905, 515320, 566852, 610456, 708565, 721448, 763070, 901810, 991991, 1133704, 1417130, 1526140, 1803620, 1983982, 2834260, 3052280, 3607240, 3967964, 4959955, 5668520, 7935928, 9919910, 19839820, 39679640]

約数ペア:

[(1, 39679640), (2, 19839820), (4, 9919910), (5, 7935928), (7, 5668520), (8, 4959955), (10, 3967964), (11, 3607240), (13, 3052280), (14, 2834260), (20, 1983982), (22, 1803620), (26, 1526140), (28, 1417130), (35, 1133704), (40, 991991), (44, 901810), (52, 763070), (55, 721448), (56, 708565), (65, 610456), (70, 566852), (77, 515320), (88, 450905), (91, 436040), (104, 381535), (110, 360724), (130, 305228), (140, 283426), (143, 277480), (154, 257660), (182, 218020), (220, 180362), (260, 152614), (280, 141713), (286, 138740), (308, 128830), (364, 109010), (385, 103064), (440, 90181), (455, 87208), (520, 76307), (572, 69370), (616, 64415), (715, 55496), (728, 54505), (770, 51532), (910, 43604), (991, 40040), (1001, 39640), (1144, 34685), (1430, 27748), (1540, 25766), (1820, 21802), (1982, 20020), (2002, 19820), (2860, 13874), (3080, 12883), (3640, 10901), (3964, 10010), (4004, 9910), (4955, 8008), (5005, 7928), (5720, 6937)]