25649800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 66290400

約数和(自身を除く): 40640600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 89, 100, 110, 131, 178, 200, 220, 262, 275, 356, 440, 445, 524, 550, 655, 712, 890, 979, 1048, 1100, 1310, 1441, 1780, 1958, 2200, 2225, 2620, 2882, 3275, 3560, 3916, 4450, 4895, 5240, 5764, 6550, 7205, 7832, 8900, 9790, 11528, 11659, 13100, 14410, 17800, 19580, 23318, 24475, 26200, 28820, 36025, 39160, 46636, 48950, 57640, 58295, 72050, 93272, 97900, 116590, 128249, 144100, 195800, 233180, 256498, 288200, 291475, 466360, 512996, 582950, 641245, 1025992, 1165900, 1282490, 2331800, 2564980, 3206225, 5129960, 6412450, 12824900, 25649800]

約数ペア:

[(1, 25649800), (2, 12824900), (4, 6412450), (5, 5129960), (8, 3206225), (10, 2564980), (11, 2331800), (20, 1282490), (22, 1165900), (25, 1025992), (40, 641245), (44, 582950), (50, 512996), (55, 466360), (88, 291475), (89, 288200), (100, 256498), (110, 233180), (131, 195800), (178, 144100), (200, 128249), (220, 116590), (262, 97900), (275, 93272), (356, 72050), (440, 58295), (445, 57640), (524, 48950), (550, 46636), (655, 39160), (712, 36025), (890, 28820), (979, 26200), (1048, 24475), (1100, 23318), (1310, 19580), (1441, 17800), (1780, 14410), (1958, 13100), (2200, 11659), (2225, 11528), (2620, 9790), (2882, 8900), (3275, 7832), (3560, 7205), (3916, 6550), (4450, 5764), (4895, 5240)]