77459980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1973}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 176428224

約数和(自身を除く): 98968244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 260, 302, 604, 755, 1510, 1963, 1973, 3020, 3926, 3946, 7852, 7892, 9815, 9865, 19630, 19730, 25649, 39260, 39460, 51298, 102596, 128245, 256490, 297923, 512980, 595846, 1191692, 1489615, 2979230, 3872999, 5958460, 7745998, 15491996, 19364995, 38729990, 77459980]

約数ペア:

[(1, 77459980), (2, 38729990), (4, 19364995), (5, 15491996), (10, 7745998), (13, 5958460), (20, 3872999), (26, 2979230), (52, 1489615), (65, 1191692), (130, 595846), (151, 512980), (260, 297923), (302, 256490), (604, 128245), (755, 102596), (1510, 51298), (1963, 39460), (1973, 39260), (3020, 25649), (3926, 19730), (3946, 19630), (7852, 9865), (7892, 9815)]