42678880

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1699}}^1$

素因数の和:1871

約数の個数: 48

約数和(自身を含む): 101530800

約数和(自身を除く): 58851920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 1699, 2512, 3140, 3398, 5024, 6280, 6796, 8495, 12560, 13592, 16990, 25120, 27184, 33980, 54368, 67960, 135920, 266743, 271840, 533486, 1066972, 1333715, 2133944, 2667430, 4267888, 5334860, 8535776, 10669720, 21339440, 42678880]

約数ペア:

[(1, 42678880), (2, 21339440), (4, 10669720), (5, 8535776), (8, 5334860), (10, 4267888), (16, 2667430), (20, 2133944), (32, 1333715), (40, 1066972), (80, 533486), (157, 271840), (160, 266743), (314, 135920), (628, 67960), (785, 54368), (1256, 33980), (1570, 27184), (1699, 25120), (2512, 16990), (3140, 13592), (3398, 12560), (5024, 8495), (6280, 6796)]