129507520

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9871}}^1$

素因数の和:9929

約数の個数: 56

約数和(自身を含む): 315943488

約数和(自身を除く): 186435968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 9871, 13120, 19742, 39484, 49355, 78968, 98710, 157936, 197420, 315872, 394840, 404711, 631744, 789680, 809422, 1579360, 1618844, 2023555, 3158720, 3237688, 4047110, 6475376, 8094220, 12950752, 16188440, 25901504, 32376880, 64753760, 129507520]

約数ペア:

[(1, 129507520), (2, 64753760), (4, 32376880), (5, 25901504), (8, 16188440), (10, 12950752), (16, 8094220), (20, 6475376), (32, 4047110), (40, 3237688), (41, 3158720), (64, 2023555), (80, 1618844), (82, 1579360), (160, 809422), (164, 789680), (205, 631744), (320, 404711), (328, 394840), (410, 315872), (656, 197420), (820, 157936), (1312, 98710), (1640, 78968), (2624, 49355), (3280, 39484), (6560, 19742), (9871, 13120)]