40917760

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2459}}^1$

素因数の和:2493

約数の個数: 72

約数和(自身を含む): 105593040

約数和(自身を除く): 64675280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 2459, 3328, 4160, 4918, 8320, 9836, 12295, 16640, 19672, 24590, 31967, 39344, 49180, 63934, 78688, 98360, 127868, 157376, 159835, 196720, 255736, 314752, 319670, 393440, 511472, 629504, 639340, 786880, 1022944, 1278680, 1573760, 2045888, 2557360, 3147520, 4091776, 5114720, 8183552, 10229440, 20458880, 40917760]

約数ペア:

[(1, 40917760), (2, 20458880), (4, 10229440), (5, 8183552), (8, 5114720), (10, 4091776), (13, 3147520), (16, 2557360), (20, 2045888), (26, 1573760), (32, 1278680), (40, 1022944), (52, 786880), (64, 639340), (65, 629504), (80, 511472), (104, 393440), (128, 319670), (130, 314752), (160, 255736), (208, 196720), (256, 159835), (260, 157376), (320, 127868), (416, 98360), (520, 78688), (640, 63934), (832, 49180), (1040, 39344), (1280, 31967), (1664, 24590), (2080, 19672), (2459, 16640), (3328, 12295), (4160, 9836), (4918, 8320)]