64445440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:373

約数の個数: 88

約数和(自身を含む): 158879952

約数和(自身を除く): 94434512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 307, 320, 328, 410, 512, 614, 640, 656, 820, 1024, 1228, 1280, 1312, 1535, 1640, 2456, 2560, 2624, 3070, 3280, 4912, 5120, 5248, 6140, 6560, 9824, 10496, 12280, 12587, 13120, 19648, 20992, 24560, 25174, 26240, 39296, 41984, 49120, 50348, 52480, 62935, 78592, 98240, 100696, 104960, 125870, 157184, 196480, 201392, 209920, 251740, 314368, 392960, 402784, 503480, 785920, 805568, 1006960, 1571840, 1611136, 2013920, 3222272, 4027840, 6444544, 8055680, 12889088, 16111360, 32222720, 64445440]

約数ペア:

[(1, 64445440), (2, 32222720), (4, 16111360), (5, 12889088), (8, 8055680), (10, 6444544), (16, 4027840), (20, 3222272), (32, 2013920), (40, 1611136), (41, 1571840), (64, 1006960), (80, 805568), (82, 785920), (128, 503480), (160, 402784), (164, 392960), (205, 314368), (256, 251740), (307, 209920), (320, 201392), (328, 196480), (410, 157184), (512, 125870), (614, 104960), (640, 100696), (656, 98240), (820, 78592), (1024, 62935), (1228, 52480), (1280, 50348), (1312, 49120), (1535, 41984), (1640, 39296), (2456, 26240), (2560, 25174), (2624, 24560), (3070, 20992), (3280, 19648), (4912, 13120), (5120, 12587), (5248, 12280), (6140, 10496), (6560, 9824)]