85207840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 213373440

約数和(自身を除く): 128165600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 80, 82, 124, 155, 160, 164, 205, 248, 310, 328, 410, 419, 496, 620, 656, 820, 838, 992, 1240, 1271, 1312, 1640, 1676, 2095, 2480, 2542, 3280, 3352, 4190, 4960, 5084, 6355, 6560, 6704, 8380, 10168, 12710, 12989, 13408, 16760, 17179, 20336, 25420, 25978, 33520, 34358, 40672, 50840, 51956, 64945, 67040, 68716, 85895, 101680, 103912, 129890, 137432, 171790, 203360, 207824, 259780, 274864, 343580, 415648, 519560, 532549, 549728, 687160, 1039120, 1065098, 1374320, 2078240, 2130196, 2662745, 2748640, 4260392, 5325490, 8520784, 10650980, 17041568, 21301960, 42603920, 85207840]

約数ペア:

[(1, 85207840), (2, 42603920), (4, 21301960), (5, 17041568), (8, 10650980), (10, 8520784), (16, 5325490), (20, 4260392), (31, 2748640), (32, 2662745), (40, 2130196), (41, 2078240), (62, 1374320), (80, 1065098), (82, 1039120), (124, 687160), (155, 549728), (160, 532549), (164, 519560), (205, 415648), (248, 343580), (310, 274864), (328, 259780), (410, 207824), (419, 203360), (496, 171790), (620, 137432), (656, 129890), (820, 103912), (838, 101680), (992, 85895), (1240, 68716), (1271, 67040), (1312, 64945), (1640, 51956), (1676, 50840), (2095, 40672), (2480, 34358), (2542, 33520), (3280, 25978), (3352, 25420), (4190, 20336), (4960, 17179), (5084, 16760), (6355, 13408), (6560, 12989), (6704, 12710), (8380, 10168)]