29961880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 73261440

約数和(自身を除く): 43299560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 367, 520, 628, 734, 785, 1256, 1468, 1570, 1835, 2041, 2936, 3140, 3670, 4082, 4771, 6280, 7340, 8164, 9542, 10205, 14680, 16328, 19084, 20410, 23855, 38168, 40820, 47710, 57619, 81640, 95420, 115238, 190840, 230476, 288095, 460952, 576190, 749047, 1152380, 1498094, 2304760, 2996188, 3745235, 5992376, 7490470, 14980940, 29961880]

約数ペア:

[(1, 29961880), (2, 14980940), (4, 7490470), (5, 5992376), (8, 3745235), (10, 2996188), (13, 2304760), (20, 1498094), (26, 1152380), (40, 749047), (52, 576190), (65, 460952), (104, 288095), (130, 230476), (157, 190840), (260, 115238), (314, 95420), (367, 81640), (520, 57619), (628, 47710), (734, 40820), (785, 38168), (1256, 23855), (1468, 20410), (1570, 19084), (1835, 16328), (2041, 14680), (2936, 10205), (3140, 9542), (3670, 8164), (4082, 7340), (4771, 6280)]