25737460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7993}}^1$

素因数の和:8032

約数の個数: 48

約数和(自身を含む): 64463616

約数和(自身を除く): 38726156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 7993, 15986, 31972, 39965, 55951, 79930, 111902, 159860, 183839, 223804, 279755, 367678, 559510, 735356, 919195, 1119020, 1286873, 1838390, 2573746, 3676780, 5147492, 6434365, 12868730, 25737460]

約数ペア:

[(1, 25737460), (2, 12868730), (4, 6434365), (5, 5147492), (7, 3676780), (10, 2573746), (14, 1838390), (20, 1286873), (23, 1119020), (28, 919195), (35, 735356), (46, 559510), (70, 367678), (92, 279755), (115, 223804), (140, 183839), (161, 159860), (230, 111902), (322, 79930), (460, 55951), (644, 39965), (805, 31972), (1610, 15986), (3220, 7993)]