53421940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18679}}^1$

素因数の和:18712

約数の個数: 48

約数和(自身を含む): 131806080

約数和(自身を除く): 78384140

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 18679, 37358, 74716, 93395, 186790, 205469, 242827, 373580, 410938, 485654, 821876, 971308, 1027345, 1214135, 2054690, 2428270, 2671097, 4109380, 4856540, 5342194, 10684388, 13355485, 26710970, 53421940]

約数ペア:

[(1, 53421940), (2, 26710970), (4, 13355485), (5, 10684388), (10, 5342194), (11, 4856540), (13, 4109380), (20, 2671097), (22, 2428270), (26, 2054690), (44, 1214135), (52, 1027345), (55, 971308), (65, 821876), (110, 485654), (130, 410938), (143, 373580), (220, 242827), (260, 205469), (286, 186790), (572, 93395), (715, 74716), (1430, 37358), (2860, 18679)]