40667080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 94938480

約数和(自身を除く): 54271400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 137, 164, 181, 205, 274, 328, 362, 410, 548, 685, 724, 820, 905, 1096, 1370, 1448, 1640, 1810, 2740, 3620, 5480, 5617, 7240, 7421, 11234, 14842, 22468, 24797, 28085, 29684, 37105, 44936, 49594, 56170, 59368, 74210, 99188, 112340, 123985, 148420, 198376, 224680, 247970, 296840, 495940, 991880, 1016677, 2033354, 4066708, 5083385, 8133416, 10166770, 20333540, 40667080]

約数ペア:

[(1, 40667080), (2, 20333540), (4, 10166770), (5, 8133416), (8, 5083385), (10, 4066708), (20, 2033354), (40, 1016677), (41, 991880), (82, 495940), (137, 296840), (164, 247970), (181, 224680), (205, 198376), (274, 148420), (328, 123985), (362, 112340), (410, 99188), (548, 74210), (685, 59368), (724, 56170), (820, 49594), (905, 44936), (1096, 37105), (1370, 29684), (1448, 28085), (1640, 24797), (1810, 22468), (2740, 14842), (3620, 11234), (5480, 7421), (5617, 7240)]