78223360

素因数分解:

$2^{11}\times 5^1\times {\mathrm{7639}}^1$

素因数の和:7666

約数の個数: 48

約数和(自身を含む): 187714800

約数和(自身を除く): 109491440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 7639, 10240, 15278, 30556, 38195, 61112, 76390, 122224, 152780, 244448, 305560, 488896, 611120, 977792, 1222240, 1955584, 2444480, 3911168, 4888960, 7822336, 9777920, 15644672, 19555840, 39111680, 78223360]

約数ペア:

[(1, 78223360), (2, 39111680), (4, 19555840), (5, 15644672), (8, 9777920), (10, 7822336), (16, 4888960), (20, 3911168), (32, 2444480), (40, 1955584), (64, 1222240), (80, 977792), (128, 611120), (160, 488896), (256, 305560), (320, 244448), (512, 152780), (640, 122224), (1024, 76390), (1280, 61112), (2048, 38195), (2560, 30556), (5120, 15278), (7639, 10240)]