40904120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 96966720

約数和(自身を除く): 56062600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 173, 184, 230, 257, 346, 460, 514, 692, 865, 920, 1028, 1285, 1384, 1730, 2056, 2570, 3460, 3979, 5140, 5911, 6920, 7958, 10280, 11822, 15916, 19895, 23644, 29555, 31832, 39790, 44461, 47288, 59110, 79580, 88922, 118220, 159160, 177844, 222305, 236440, 355688, 444610, 889220, 1022603, 1778440, 2045206, 4090412, 5113015, 8180824, 10226030, 20452060, 40904120]

約数ペア:

[(1, 40904120), (2, 20452060), (4, 10226030), (5, 8180824), (8, 5113015), (10, 4090412), (20, 2045206), (23, 1778440), (40, 1022603), (46, 889220), (92, 444610), (115, 355688), (173, 236440), (184, 222305), (230, 177844), (257, 159160), (346, 118220), (460, 88922), (514, 79580), (692, 59110), (865, 47288), (920, 44461), (1028, 39790), (1285, 31832), (1384, 29555), (1730, 23644), (2056, 19895), (2570, 15916), (3460, 11822), (3979, 10280), (5140, 7958), (5911, 6920)]