40971220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{787}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 91344960

約数和(自身を除く): 50373740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 274, 380, 548, 685, 787, 1370, 1574, 2603, 2740, 3148, 3935, 5206, 7870, 10412, 13015, 14953, 15740, 26030, 29906, 52060, 59812, 74765, 107819, 149530, 215638, 299060, 431276, 539095, 1078190, 2048561, 2156380, 4097122, 8194244, 10242805, 20485610, 40971220]

約数ペア:

[(1, 40971220), (2, 20485610), (4, 10242805), (5, 8194244), (10, 4097122), (19, 2156380), (20, 2048561), (38, 1078190), (76, 539095), (95, 431276), (137, 299060), (190, 215638), (274, 149530), (380, 107819), (548, 74765), (685, 59812), (787, 52060), (1370, 29906), (1574, 26030), (2603, 15740), (2740, 14953), (3148, 13015), (3935, 10412), (5206, 7870)]