25552280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49139}}^1$

素因数の和:49163

約数の個数: 32

約数和(自身を含む): 61916400

約数和(自身を除く): 36364120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 49139, 98278, 196556, 245695, 393112, 491390, 638807, 982780, 1277614, 1965560, 2555228, 3194035, 5110456, 6388070, 12776140, 25552280]

約数ペア:

[(1, 25552280), (2, 12776140), (4, 6388070), (5, 5110456), (8, 3194035), (10, 2555228), (13, 1965560), (20, 1277614), (26, 982780), (40, 638807), (52, 491390), (65, 393112), (104, 245695), (130, 196556), (260, 98278), (520, 49139)]