25823980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2027}}^1$

素因数の和:2063

約数の個数: 72

約数和(自身を含む): 67970448

約数和(自身を除く): 42146468

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2027, 2548, 3185, 4054, 6370, 8108, 10135, 12740, 14189, 20270, 26351, 28378, 40540, 52702, 56756, 70945, 99323, 105404, 131755, 141890, 184457, 198646, 263510, 283780, 368914, 397292, 496615, 527020, 737828, 922285, 993230, 1291199, 1844570, 1986460, 2582398, 3689140, 5164796, 6455995, 12911990, 25823980]

約数ペア:

[(1, 25823980), (2, 12911990), (4, 6455995), (5, 5164796), (7, 3689140), (10, 2582398), (13, 1986460), (14, 1844570), (20, 1291199), (26, 993230), (28, 922285), (35, 737828), (49, 527020), (52, 496615), (65, 397292), (70, 368914), (91, 283780), (98, 263510), (130, 198646), (140, 184457), (182, 141890), (196, 131755), (245, 105404), (260, 99323), (364, 70945), (455, 56756), (490, 52702), (637, 40540), (910, 28378), (980, 26351), (1274, 20270), (1820, 14189), (2027, 12740), (2548, 10135), (3185, 8108), (4054, 6370)]