1948656640

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{54371}}^1$

素因数の和:54403

約数の個数: 88

約数和(自身を含む): 5342375232

約数和(自身を除く): 3393718592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 5120, 7168, 8960, 17920, 35840, 54371, 108742, 217484, 271855, 380597, 434968, 543710, 761194, 869936, 1087420, 1522388, 1739872, 1902985, 2174840, 3044776, 3479744, 3805970, 4349680, 6089552, 6959488, 7611940, 8699360, 12179104, 13918976, 15223880, 17398720, 24358208, 27837952, 30447760, 34797440, 48716416, 55675904, 60895520, 69594880, 97432832, 121791040, 139189760, 194865664, 243582080, 278379520, 389731328, 487164160, 974328320, 1948656640]

約数ペア:

[(1, 1948656640), (2, 974328320), (4, 487164160), (5, 389731328), (7, 278379520), (8, 243582080), (10, 194865664), (14, 139189760), (16, 121791040), (20, 97432832), (28, 69594880), (32, 60895520), (35, 55675904), (40, 48716416), (56, 34797440), (64, 30447760), (70, 27837952), (80, 24358208), (112, 17398720), (128, 15223880), (140, 13918976), (160, 12179104), (224, 8699360), (256, 7611940), (280, 6959488), (320, 6089552), (448, 4349680), (512, 3805970), (560, 3479744), (640, 3044776), (896, 2174840), (1024, 1902985), (1120, 1739872), (1280, 1522388), (1792, 1087420), (2240, 869936), (2560, 761194), (3584, 543710), (4480, 434968), (5120, 380597), (7168, 271855), (8960, 217484), (17920, 108742), (35840, 54371)]