266771840

素因数分解:

$2^7\times 5^1\times {\mathrm{523}}^1\times {\mathrm{797}}^1$

素因数の和:1339

約数の個数: 64

約数和(自身を含む): 639772560

約数和(自身を除く): 373000720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 523, 640, 797, 1046, 1594, 2092, 2615, 3188, 3985, 4184, 5230, 6376, 7970, 8368, 10460, 12752, 15940, 16736, 20920, 25504, 31880, 33472, 41840, 51008, 63760, 66944, 83680, 102016, 127520, 167360, 255040, 334720, 416831, 510080, 833662, 1667324, 2084155, 3334648, 4168310, 6669296, 8336620, 13338592, 16673240, 26677184, 33346480, 53354368, 66692960, 133385920, 266771840]

約数ペア:

[(1, 266771840), (2, 133385920), (4, 66692960), (5, 53354368), (8, 33346480), (10, 26677184), (16, 16673240), (20, 13338592), (32, 8336620), (40, 6669296), (64, 4168310), (80, 3334648), (128, 2084155), (160, 1667324), (320, 833662), (523, 510080), (640, 416831), (797, 334720), (1046, 255040), (1594, 167360), (2092, 127520), (2615, 102016), (3188, 83680), (3985, 66944), (4184, 63760), (5230, 51008), (6376, 41840), (7970, 33472), (8368, 31880), (10460, 25504), (12752, 20920), (15940, 16736)]