72438880

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5087}}^1$

素因数の和:5191

約数の個数: 48

約数和(自身を含む): 173093760

約数和(自身を除く): 100654880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5087, 7120, 10174, 14240, 20348, 25435, 40696, 50870, 81392, 101740, 162784, 203480, 406960, 452743, 813920, 905486, 1810972, 2263715, 3621944, 4527430, 7243888, 9054860, 14487776, 18109720, 36219440, 72438880]

約数ペア:

[(1, 72438880), (2, 36219440), (4, 18109720), (5, 14487776), (8, 9054860), (10, 7243888), (16, 4527430), (20, 3621944), (32, 2263715), (40, 1810972), (80, 905486), (89, 813920), (160, 452743), (178, 406960), (356, 203480), (445, 162784), (712, 101740), (890, 81392), (1424, 50870), (1780, 40696), (2848, 25435), (3560, 20348), (5087, 14240), (7120, 10174)]