40615900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 96000800

約数和(自身を除く): 55384900

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 157, 199, 260, 314, 325, 398, 628, 650, 785, 796, 995, 1300, 1570, 1990, 2041, 2587, 3140, 3925, 3980, 4082, 4975, 5174, 7850, 8164, 9950, 10205, 10348, 12935, 15700, 19900, 20410, 25870, 31243, 40820, 51025, 51740, 62486, 64675, 102050, 124972, 129350, 156215, 204100, 258700, 312430, 406159, 624860, 781075, 812318, 1562150, 1624636, 2030795, 3124300, 4061590, 8123180, 10153975, 20307950, 40615900]

約数ペア:

[(1, 40615900), (2, 20307950), (4, 10153975), (5, 8123180), (10, 4061590), (13, 3124300), (20, 2030795), (25, 1624636), (26, 1562150), (50, 812318), (52, 781075), (65, 624860), (100, 406159), (130, 312430), (157, 258700), (199, 204100), (260, 156215), (314, 129350), (325, 124972), (398, 102050), (628, 64675), (650, 62486), (785, 51740), (796, 51025), (995, 40820), (1300, 31243), (1570, 25870), (1990, 20410), (2041, 19900), (2587, 15700), (3140, 12935), (3925, 10348), (3980, 10205), (4082, 9950), (4975, 8164), (5174, 7850)]