258209120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124139}}^1$

素因数の和:124167

約数の個数: 48

約数和(自身を含む): 656948880

約数和(自身を除く): 398739760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 124139, 248278, 496556, 620695, 993112, 1241390, 1613807, 1986224, 2482780, 3227614, 3972448, 4965560, 6455228, 8069035, 9931120, 12910456, 16138070, 19862240, 25820912, 32276140, 51641824, 64552280, 129104560, 258209120]

約数ペア:

[(1, 258209120), (2, 129104560), (4, 64552280), (5, 51641824), (8, 32276140), (10, 25820912), (13, 19862240), (16, 16138070), (20, 12910456), (26, 9931120), (32, 8069035), (40, 6455228), (52, 4965560), (65, 3972448), (80, 3227614), (104, 2482780), (130, 1986224), (160, 1613807), (208, 1241390), (260, 993112), (416, 620695), (520, 496556), (1040, 248278), (2080, 124139)]