31843760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:550

約数の個数: 80

約数和(自身を含む): 81098976

約数和(自身を除く): 49255216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 457, 520, 536, 670, 871, 914, 1040, 1072, 1340, 1742, 1828, 2285, 2680, 3484, 3656, 4355, 4570, 5360, 5941, 6968, 7312, 8710, 9140, 11882, 13936, 17420, 18280, 23764, 29705, 30619, 34840, 36560, 47528, 59410, 61238, 69680, 95056, 118820, 122476, 153095, 237640, 244952, 306190, 398047, 475280, 489904, 612380, 796094, 1224760, 1592188, 1990235, 2449520, 3184376, 3980470, 6368752, 7960940, 15921880, 31843760]

約数ペア:

[(1, 31843760), (2, 15921880), (4, 7960940), (5, 6368752), (8, 3980470), (10, 3184376), (13, 2449520), (16, 1990235), (20, 1592188), (26, 1224760), (40, 796094), (52, 612380), (65, 489904), (67, 475280), (80, 398047), (104, 306190), (130, 244952), (134, 237640), (208, 153095), (260, 122476), (268, 118820), (335, 95056), (457, 69680), (520, 61238), (536, 59410), (670, 47528), (871, 36560), (914, 34840), (1040, 30619), (1072, 29705), (1340, 23764), (1742, 18280), (1828, 17420), (2285, 13936), (2680, 11882), (3484, 9140), (3656, 8710), (4355, 7312), (4570, 6968), (5360, 5941)]