40040240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:546

約数の個数: 80

約数和(自身を含む): 99422208

約数和(自身を除く): 59381968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 80, 92, 94, 115, 184, 188, 230, 235, 368, 376, 460, 463, 470, 752, 920, 926, 940, 1081, 1840, 1852, 1880, 2162, 2315, 3704, 3760, 4324, 4630, 5405, 7408, 8648, 9260, 10649, 10810, 17296, 18520, 21298, 21620, 21761, 37040, 42596, 43240, 43522, 53245, 85192, 86480, 87044, 106490, 108805, 170384, 174088, 212980, 217610, 348176, 425960, 435220, 500503, 851920, 870440, 1001006, 1740880, 2002012, 2502515, 4004024, 5005030, 8008048, 10010060, 20020120, 40040240]

約数ペア:

[(1, 40040240), (2, 20020120), (4, 10010060), (5, 8008048), (8, 5005030), (10, 4004024), (16, 2502515), (20, 2002012), (23, 1740880), (40, 1001006), (46, 870440), (47, 851920), (80, 500503), (92, 435220), (94, 425960), (115, 348176), (184, 217610), (188, 212980), (230, 174088), (235, 170384), (368, 108805), (376, 106490), (460, 87044), (463, 86480), (470, 85192), (752, 53245), (920, 43522), (926, 43240), (940, 42596), (1081, 37040), (1840, 21761), (1852, 21620), (1880, 21298), (2162, 18520), (2315, 17296), (3704, 10810), (3760, 10649), (4324, 9260), (4630, 8648), (5405, 7408)]