40490960

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:636

約数の個数: 80

約数和(自身を含む): 100707840

約数和(自身を除く): 60216880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 464, 496, 563, 580, 620, 899, 1126, 1160, 1240, 1798, 2252, 2320, 2480, 2815, 3596, 4495, 4504, 5630, 7192, 8990, 9008, 11260, 14384, 16327, 17453, 17980, 22520, 32654, 34906, 35960, 45040, 65308, 69812, 71920, 81635, 87265, 130616, 139624, 163270, 174530, 261232, 279248, 326540, 349060, 506137, 653080, 698120, 1012274, 1306160, 1396240, 2024548, 2530685, 4049096, 5061370, 8098192, 10122740, 20245480, 40490960]

約数ペア:

[(1, 40490960), (2, 20245480), (4, 10122740), (5, 8098192), (8, 5061370), (10, 4049096), (16, 2530685), (20, 2024548), (29, 1396240), (31, 1306160), (40, 1012274), (58, 698120), (62, 653080), (80, 506137), (116, 349060), (124, 326540), (145, 279248), (155, 261232), (232, 174530), (248, 163270), (290, 139624), (310, 130616), (464, 87265), (496, 81635), (563, 71920), (580, 69812), (620, 65308), (899, 45040), (1126, 35960), (1160, 34906), (1240, 32654), (1798, 22520), (2252, 17980), (2320, 17453), (2480, 16327), (2815, 14384), (3596, 11260), (4495, 9008), (4504, 8990), (5630, 7192)]