53831440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 135991296

約数和(自身を除く): 82159856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 191, 208, 260, 271, 382, 520, 542, 764, 955, 1040, 1084, 1355, 1528, 1910, 2168, 2483, 2710, 3056, 3523, 3820, 4336, 4966, 5420, 7046, 7640, 9932, 10840, 12415, 14092, 15280, 17615, 19864, 21680, 24830, 28184, 35230, 39728, 49660, 51761, 56368, 70460, 99320, 103522, 140920, 198640, 207044, 258805, 281840, 414088, 517610, 672893, 828176, 1035220, 1345786, 2070440, 2691572, 3364465, 4140880, 5383144, 6728930, 10766288, 13457860, 26915720, 53831440]

約数ペア:

[(1, 53831440), (2, 26915720), (4, 13457860), (5, 10766288), (8, 6728930), (10, 5383144), (13, 4140880), (16, 3364465), (20, 2691572), (26, 2070440), (40, 1345786), (52, 1035220), (65, 828176), (80, 672893), (104, 517610), (130, 414088), (191, 281840), (208, 258805), (260, 207044), (271, 198640), (382, 140920), (520, 103522), (542, 99320), (764, 70460), (955, 56368), (1040, 51761), (1084, 49660), (1355, 39728), (1528, 35230), (1910, 28184), (2168, 24830), (2483, 21680), (2710, 19864), (3056, 17615), (3523, 15280), (3820, 14092), (4336, 12415), (4966, 10840), (5420, 9932), (7046, 7640)]