25913720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4871}}^1$

素因数の和:4908

約数の個数: 64

約数和(自身を含む): 70156800

約数和(自身を除く): 44243080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 4871, 5320, 9742, 19484, 24355, 34097, 38968, 48710, 68194, 92549, 97420, 136388, 170485, 185098, 194840, 272776, 340970, 370196, 462745, 647843, 681940, 740392, 925490, 1295686, 1363880, 1850980, 2591372, 3239215, 3701960, 5182744, 6478430, 12956860, 25913720]

約数ペア:

[(1, 25913720), (2, 12956860), (4, 6478430), (5, 5182744), (7, 3701960), (8, 3239215), (10, 2591372), (14, 1850980), (19, 1363880), (20, 1295686), (28, 925490), (35, 740392), (38, 681940), (40, 647843), (56, 462745), (70, 370196), (76, 340970), (95, 272776), (133, 194840), (140, 185098), (152, 170485), (190, 136388), (266, 97420), (280, 92549), (380, 68194), (532, 48710), (665, 38968), (760, 34097), (1064, 24355), (1330, 19484), (2660, 9742), (4871, 5320)]