98476720

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{13831}}^1$

素因数の和:13933

約数の個数: 40

約数和(自身を含む): 231547680

約数和(自身を除く): 133070960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 13831, 27662, 55324, 69155, 110648, 138310, 221296, 276620, 553240, 1106480, 1230959, 2461918, 4923836, 6154795, 9847672, 12309590, 19695344, 24619180, 49238360, 98476720]

約数ペア:

[(1, 98476720), (2, 49238360), (4, 24619180), (5, 19695344), (8, 12309590), (10, 9847672), (16, 6154795), (20, 4923836), (40, 2461918), (80, 1230959), (89, 1106480), (178, 553240), (356, 276620), (445, 221296), (712, 138310), (890, 110648), (1424, 69155), (1780, 55324), (3560, 27662), (7120, 13831)]