156980980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{26251}}^1$

素因数の和:26296

約数の個数: 48

約数和(自身を含む): 370468224

約数和(自身を除く): 213487244

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 26251, 52502, 105004, 131255, 262510, 341263, 525020, 603773, 682526, 1207546, 1365052, 1706315, 2415092, 3018865, 3412630, 6037730, 6825260, 7849049, 12075460, 15698098, 31396196, 39245245, 78490490, 156980980]

約数ペア:

[(1, 156980980), (2, 78490490), (4, 39245245), (5, 31396196), (10, 15698098), (13, 12075460), (20, 7849049), (23, 6825260), (26, 6037730), (46, 3412630), (52, 3018865), (65, 2415092), (92, 1706315), (115, 1365052), (130, 1207546), (230, 682526), (260, 603773), (299, 525020), (460, 341263), (598, 262510), (1196, 131255), (1495, 105004), (2990, 52502), (5980, 26251)]