8757160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 20779920

約数和(自身を除く): 12022760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 97, 122, 148, 185, 194, 244, 296, 305, 370, 388, 485, 488, 610, 740, 776, 970, 1220, 1480, 1940, 2257, 2440, 3589, 3880, 4514, 5917, 7178, 9028, 11285, 11834, 14356, 17945, 18056, 22570, 23668, 28712, 29585, 35890, 45140, 47336, 59170, 71780, 90280, 118340, 143560, 218929, 236680, 437858, 875716, 1094645, 1751432, 2189290, 4378580, 8757160]

約数ペア:

[(1, 8757160), (2, 4378580), (4, 2189290), (5, 1751432), (8, 1094645), (10, 875716), (20, 437858), (37, 236680), (40, 218929), (61, 143560), (74, 118340), (97, 90280), (122, 71780), (148, 59170), (185, 47336), (194, 45140), (244, 35890), (296, 29585), (305, 28712), (370, 23668), (388, 22570), (485, 18056), (488, 17945), (610, 14356), (740, 11834), (776, 11285), (970, 9028), (1220, 7178), (1480, 5917), (1940, 4514), (2257, 3880), (2440, 3589)]