2540700160

素因数分解:

$2^9\times 5^1\times {\mathrm{992461}}^1$

素因数の和:992484

約数の個数: 40

約数和(自身を含む): 6091731756

約数和(自身を除く): 3551031596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 992461, 1984922, 3969844, 4962305, 7939688, 9924610, 15879376, 19849220, 31758752, 39698440, 63517504, 79396880, 127035008, 158793760, 254070016, 317587520, 508140032, 635175040, 1270350080, 2540700160]

約数ペア:

[(1, 2540700160), (2, 1270350080), (4, 635175040), (5, 508140032), (8, 317587520), (10, 254070016), (16, 158793760), (20, 127035008), (32, 79396880), (40, 63517504), (64, 39698440), (80, 31758752), (128, 19849220), (160, 15879376), (256, 9924610), (320, 7939688), (512, 4962305), (640, 3969844), (1280, 1984922), (2560, 992461)]