1961584640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{191561}}^1$

素因数の和:191588

約数の個数: 48

約数和(自身を含む): 4706678340

約数和(自身を除く): 2745093700

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, 10240, 191561, 383122, 766244, 957805, 1532488, 1915610, 3064976, 3831220, 6129952, 7662440, 12259904, 15324880, 24519808, 30649760, 49039616, 61299520, 98079232, 122599040, 196158464, 245198080, 392316928, 490396160, 980792320, 1961584640]

約数ペア:

[(1, 1961584640), (2, 980792320), (4, 490396160), (5, 392316928), (8, 245198080), (10, 196158464), (16, 122599040), (20, 98079232), (32, 61299520), (40, 49039616), (64, 30649760), (80, 24519808), (128, 15324880), (160, 12259904), (256, 7662440), (320, 6129952), (512, 3831220), (640, 3064976), (1024, 1915610), (1280, 1532488), (2048, 957805), (2560, 766244), (5120, 383122), (10240, 191561)]