31265920

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{997}}^1$

素因数の和:1030

約数の個数: 96

約数和(自身を含む): 87035580

約数和(自身を除く): 55769660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 997, 1120, 1568, 1960, 1994, 2240, 3136, 3920, 3988, 4480, 4985, 6272, 6979, 7840, 7976, 9970, 13958, 15680, 15952, 19940, 27916, 31360, 31904, 34895, 39880, 48853, 55832, 63808, 69790, 79760, 97706, 111664, 127616, 139580, 159520, 195412, 223328, 244265, 279160, 319040, 390824, 446656, 488530, 558320, 638080, 781648, 893312, 977060, 1116640, 1563296, 1954120, 2233280, 3126592, 3908240, 4466560, 6253184, 7816480, 15632960, 31265920]

約数ペア:

[(1, 31265920), (2, 15632960), (4, 7816480), (5, 6253184), (7, 4466560), (8, 3908240), (10, 3126592), (14, 2233280), (16, 1954120), (20, 1563296), (28, 1116640), (32, 977060), (35, 893312), (40, 781648), (49, 638080), (56, 558320), (64, 488530), (70, 446656), (80, 390824), (98, 319040), (112, 279160), (128, 244265), (140, 223328), (160, 195412), (196, 159520), (224, 139580), (245, 127616), (280, 111664), (320, 97706), (392, 79760), (448, 69790), (490, 63808), (560, 55832), (640, 48853), (784, 39880), (896, 34895), (980, 31904), (997, 31360), (1120, 27916), (1568, 19940), (1960, 15952), (1994, 15680), (2240, 13958), (3136, 9970), (3920, 7976), (3988, 7840), (4480, 6979), (4985, 6272)]