31414880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{4007}}^1$

素因数の和:4036

約数の個数: 72

約数和(自身を含む): 86356368

約数和(自身を除く): 54941488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 4007, 7840, 8014, 16028, 20035, 28049, 32056, 40070, 56098, 64112, 80140, 112196, 128224, 140245, 160280, 196343, 224392, 280490, 320560, 392686, 448784, 560980, 641120, 785372, 897568, 981715, 1121960, 1570744, 1963430, 2243920, 3141488, 3926860, 4487840, 6282976, 7853720, 15707440, 31414880]

約数ペア:

[(1, 31414880), (2, 15707440), (4, 7853720), (5, 6282976), (7, 4487840), (8, 3926860), (10, 3141488), (14, 2243920), (16, 1963430), (20, 1570744), (28, 1121960), (32, 981715), (35, 897568), (40, 785372), (49, 641120), (56, 560980), (70, 448784), (80, 392686), (98, 320560), (112, 280490), (140, 224392), (160, 196343), (196, 160280), (224, 140245), (245, 128224), (280, 112196), (392, 80140), (490, 64112), (560, 56098), (784, 40070), (980, 32056), (1120, 28049), (1568, 20035), (1960, 16028), (3920, 8014), (4007, 7840)]