40806220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3203}}^1$

素因数の和:3239

約数の個数: 72

約数和(自身を含む): 107385264

約数和(自身を除く): 66579044

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 3203, 6370, 6406, 12740, 12812, 16015, 22421, 32030, 41639, 44842, 64060, 83278, 89684, 112105, 156947, 166556, 208195, 224210, 291473, 313894, 416390, 448420, 582946, 627788, 784735, 832780, 1165892, 1457365, 1569470, 2040311, 2914730, 3138940, 4080622, 5829460, 8161244, 10201555, 20403110, 40806220]

約数ペア:

[(1, 40806220), (2, 20403110), (4, 10201555), (5, 8161244), (7, 5829460), (10, 4080622), (13, 3138940), (14, 2914730), (20, 2040311), (26, 1569470), (28, 1457365), (35, 1165892), (49, 832780), (52, 784735), (65, 627788), (70, 582946), (91, 448420), (98, 416390), (130, 313894), (140, 291473), (182, 224210), (196, 208195), (245, 166556), (260, 156947), (364, 112105), (455, 89684), (490, 83278), (637, 64060), (910, 44842), (980, 41639), (1274, 32030), (1820, 22421), (2548, 16015), (3185, 12812), (3203, 12740), (6370, 6406)]