28025739520

素因数分解:

$2^8\times 5^1\times {\mathrm{73}}^1\times {\mathrm{299933}}^1$

素因数の和:300027

約数の個数: 72

約数和(自身を含む): 68050225656

約数和(自身を除く): 40024486136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 320, 365, 584, 640, 730, 1168, 1280, 1460, 2336, 2920, 4672, 5840, 9344, 11680, 18688, 23360, 46720, 93440, 299933, 599866, 1199732, 1499665, 2399464, 2999330, 4798928, 5998660, 9597856, 11997320, 19195712, 21895109, 23994640, 38391424, 43790218, 47989280, 76782848, 87580436, 95978560, 109475545, 175160872, 191957120, 218951090, 350321744, 383914240, 437902180, 700643488, 875804360, 1401286976, 1751608720, 2802573952, 3503217440, 5605147904, 7006434880, 14012869760, 28025739520]

約数ペア:

[(1, 28025739520), (2, 14012869760), (4, 7006434880), (5, 5605147904), (8, 3503217440), (10, 2802573952), (16, 1751608720), (20, 1401286976), (32, 875804360), (40, 700643488), (64, 437902180), (73, 383914240), (80, 350321744), (128, 218951090), (146, 191957120), (160, 175160872), (256, 109475545), (292, 95978560), (320, 87580436), (365, 76782848), (584, 47989280), (640, 43790218), (730, 38391424), (1168, 23994640), (1280, 21895109), (1460, 19195712), (2336, 11997320), (2920, 9597856), (4672, 5998660), (5840, 4798928), (9344, 2999330), (11680, 2399464), (18688, 1499665), (23360, 1199732), (46720, 599866), (93440, 299933)]