65575720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{33457}}^1$

素因数の和:33482

約数の個数: 48

約数和(自身を含む): 171639540

約数和(自身を除く): 106063820

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 33457, 66914, 133828, 167285, 234199, 267656, 334570, 468398, 669140, 936796, 1170995, 1338280, 1639393, 1873592, 2341990, 3278786, 4683980, 6557572, 8196965, 9367960, 13115144, 16393930, 32787860, 65575720]

約数ペア:

[(1, 65575720), (2, 32787860), (4, 16393930), (5, 13115144), (7, 9367960), (8, 8196965), (10, 6557572), (14, 4683980), (20, 3278786), (28, 2341990), (35, 1873592), (40, 1639393), (49, 1338280), (56, 1170995), (70, 936796), (98, 669140), (140, 468398), (196, 334570), (245, 267656), (280, 234199), (392, 167285), (490, 133828), (980, 66914), (1960, 33457)]