8491340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2969}}^1$

素因数の和:3002

約数の個数: 48

約数和(自身を含む): 20956320

約数和(自身を除く): 12464980

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, 2969, 5938, 11876, 14845, 29690, 32659, 38597, 59380, 65318, 77194, 130636, 154388, 163295, 192985, 326590, 385970, 424567, 653180, 771940, 849134, 1698268, 2122835, 4245670, 8491340]

約数ペア:

[(1, 8491340), (2, 4245670), (4, 2122835), (5, 1698268), (10, 849134), (11, 771940), (13, 653180), (20, 424567), (22, 385970), (26, 326590), (44, 192985), (52, 163295), (55, 154388), (65, 130636), (110, 77194), (130, 65318), (143, 59380), (220, 38597), (260, 32659), (286, 29690), (572, 14845), (715, 11876), (1430, 5938), (2860, 2969)]