77444120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{148931}}^1$

素因数の和:148955

約数の個数: 32

約数和(自身を含む): 187654320

約数和(自身を除く): 110210200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 148931, 297862, 595724, 744655, 1191448, 1489310, 1936103, 2978620, 3872206, 5957240, 7744412, 9680515, 15488824, 19361030, 38722060, 77444120]

約数ペア:

[(1, 77444120), (2, 38722060), (4, 19361030), (5, 15488824), (8, 9680515), (10, 7744412), (13, 5957240), (20, 3872206), (26, 2978620), (40, 1936103), (52, 1489310), (65, 1191448), (104, 744655), (130, 595724), (260, 297862), (520, 148931)]