5140640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 72

約数和(自身を含む): 12961620

約数和(自身を除く): 7820980

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 89, 95, 152, 160, 178, 190, 304, 356, 361, 380, 445, 608, 712, 722, 760, 890, 1424, 1444, 1520, 1691, 1780, 1805, 2848, 2888, 3040, 3382, 3560, 3610, 5776, 6764, 7120, 7220, 8455, 11552, 13528, 14240, 14440, 16910, 27056, 28880, 32129, 33820, 54112, 57760, 64258, 67640, 128516, 135280, 160645, 257032, 270560, 321290, 514064, 642580, 1028128, 1285160, 2570320, 5140640]

約数ペア:

[(1, 5140640), (2, 2570320), (4, 1285160), (5, 1028128), (8, 642580), (10, 514064), (16, 321290), (19, 270560), (20, 257032), (32, 160645), (38, 135280), (40, 128516), (76, 67640), (80, 64258), (89, 57760), (95, 54112), (152, 33820), (160, 32129), (178, 28880), (190, 27056), (304, 16910), (356, 14440), (361, 14240), (380, 13528), (445, 11552), (608, 8455), (712, 7220), (722, 7120), (760, 6764), (890, 5776), (1424, 3610), (1444, 3560), (1520, 3382), (1691, 3040), (1780, 2888), (1805, 2848)]