64419952640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{6291011}}^1$

素因数の和:6291038

約数の個数: 48

約数和(自身を含む): 154570164840

約数和(自身を除く): 90150212200

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, 6291011, 12582022, 25164044, 31455055, 50328088, 62910110, 100656176, 125820220, 201312352, 251640440, 402624704, 503280880, 805249408, 1006561760, 1610498816, 2013123520, 3220997632, 4026247040, 6441995264, 8052494080, 12883990528, 16104988160, 32209976320, 64419952640]

約数ペア:

[(1, 64419952640), (2, 32209976320), (4, 16104988160), (5, 12883990528), (8, 8052494080), (10, 6441995264), (16, 4026247040), (20, 3220997632), (32, 2013123520), (40, 1610498816), (64, 1006561760), (80, 805249408), (128, 503280880), (160, 402624704), (256, 251640440), (320, 201312352), (512, 125820220), (640, 100656176), (1024, 62910110), (1280, 50328088), (2048, 31455055), (2560, 25164044), (5120, 12582022), (10240, 6291011)]