40708640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1913}}^1$

素因数の和:1954

約数の個数: 96

約数和(自身を含む): 115758720

約数和(自身を除く): 75050080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1064, 1120, 1330, 1520, 1913, 2128, 2660, 3040, 3826, 4256, 5320, 7652, 9565, 10640, 13391, 15304, 19130, 21280, 26782, 30608, 36347, 38260, 53564, 61216, 66955, 72694, 76520, 107128, 133910, 145388, 153040, 181735, 214256, 254429, 267820, 290776, 306080, 363470, 428512, 508858, 535640, 581552, 726940, 1017716, 1071280, 1163104, 1272145, 1453880, 2035432, 2142560, 2544290, 2907760, 4070864, 5088580, 5815520, 8141728, 10177160, 20354320, 40708640]

約数ペア:

[(1, 40708640), (2, 20354320), (4, 10177160), (5, 8141728), (7, 5815520), (8, 5088580), (10, 4070864), (14, 2907760), (16, 2544290), (19, 2142560), (20, 2035432), (28, 1453880), (32, 1272145), (35, 1163104), (38, 1071280), (40, 1017716), (56, 726940), (70, 581552), (76, 535640), (80, 508858), (95, 428512), (112, 363470), (133, 306080), (140, 290776), (152, 267820), (160, 254429), (190, 214256), (224, 181735), (266, 153040), (280, 145388), (304, 133910), (380, 107128), (532, 76520), (560, 72694), (608, 66955), (665, 61216), (760, 53564), (1064, 38260), (1120, 36347), (1330, 30608), (1520, 26782), (1913, 21280), (2128, 19130), (2660, 15304), (3040, 13391), (3826, 10640), (4256, 9565), (5320, 7652)]