31078880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{27749}}^1$

素因数の和:27771

約数の個数: 48

約数和(自身を含む): 83916000

約数和(自身を除く): 52837120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 27749, 55498, 110996, 138745, 194243, 221992, 277490, 388486, 443984, 554980, 776972, 887968, 971215, 1109960, 1553944, 1942430, 2219920, 3107888, 3884860, 4439840, 6215776, 7769720, 15539440, 31078880]

約数ペア:

[(1, 31078880), (2, 15539440), (4, 7769720), (5, 6215776), (7, 4439840), (8, 3884860), (10, 3107888), (14, 2219920), (16, 1942430), (20, 1553944), (28, 1109960), (32, 971215), (35, 887968), (40, 776972), (56, 554980), (70, 443984), (80, 388486), (112, 277490), (140, 221992), (160, 194243), (224, 138745), (280, 110996), (560, 55498), (1120, 27749)]