40315840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7411}}^1$

素因数の和:7445

約数の個数: 56

約数和(自身を含む): 101662992

約数和(自身を除く): 61347152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 7411, 14822, 29644, 37055, 59288, 74110, 118576, 125987, 148220, 237152, 251974, 296440, 474304, 503948, 592880, 629935, 1007896, 1185760, 1259870, 2015792, 2371520, 2519740, 4031584, 5039480, 8063168, 10078960, 20157920, 40315840]

約数ペア:

[(1, 40315840), (2, 20157920), (4, 10078960), (5, 8063168), (8, 5039480), (10, 4031584), (16, 2519740), (17, 2371520), (20, 2015792), (32, 1259870), (34, 1185760), (40, 1007896), (64, 629935), (68, 592880), (80, 503948), (85, 474304), (136, 296440), (160, 251974), (170, 237152), (272, 148220), (320, 125987), (340, 118576), (544, 74110), (680, 59288), (1088, 37055), (1360, 29644), (2720, 14822), (5440, 7411)]