39885680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 98832960

約数和(自身を除く): 58947280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 53, 80, 92, 106, 115, 184, 212, 230, 265, 368, 409, 424, 460, 530, 818, 848, 920, 1060, 1219, 1636, 1840, 2045, 2120, 2438, 3272, 4090, 4240, 4876, 6095, 6544, 8180, 9407, 9752, 12190, 16360, 18814, 19504, 21677, 24380, 32720, 37628, 43354, 47035, 48760, 75256, 86708, 94070, 97520, 108385, 150512, 173416, 188140, 216770, 346832, 376280, 433540, 498571, 752560, 867080, 997142, 1734160, 1994284, 2492855, 3988568, 4985710, 7977136, 9971420, 19942840, 39885680]

約数ペア:

[(1, 39885680), (2, 19942840), (4, 9971420), (5, 7977136), (8, 4985710), (10, 3988568), (16, 2492855), (20, 1994284), (23, 1734160), (40, 997142), (46, 867080), (53, 752560), (80, 498571), (92, 433540), (106, 376280), (115, 346832), (184, 216770), (212, 188140), (230, 173416), (265, 150512), (368, 108385), (409, 97520), (424, 94070), (460, 86708), (530, 75256), (818, 48760), (848, 47035), (920, 43354), (1060, 37628), (1219, 32720), (1636, 24380), (1840, 21677), (2045, 19504), (2120, 18814), (2438, 16360), (3272, 12190), (4090, 9752), (4240, 9407), (4876, 8180), (6095, 6544)]