42842540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4019}}^1$

素因数の和:4082

約数の個数: 48

約数和(自身を含む): 99277920

約数和(自身を除く): 56435380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 4019, 5330, 8038, 10660, 16076, 20095, 40190, 52247, 80380, 104494, 164779, 208988, 261235, 329558, 522470, 659116, 823895, 1044940, 1647790, 2142127, 3295580, 4284254, 8568508, 10710635, 21421270, 42842540]

約数ペア:

[(1, 42842540), (2, 21421270), (4, 10710635), (5, 8568508), (10, 4284254), (13, 3295580), (20, 2142127), (26, 1647790), (41, 1044940), (52, 823895), (65, 659116), (82, 522470), (130, 329558), (164, 261235), (205, 208988), (260, 164779), (410, 104494), (533, 80380), (820, 52247), (1066, 40190), (2132, 20095), (2665, 16076), (4019, 10660), (5330, 8038)]