71917840

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{10831}}^1$

素因数の和:10927

約数の個数: 40

約数和(自身を含む): 169239168

約数和(自身を除く): 97321328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 10831, 21662, 43324, 54155, 86648, 108310, 173296, 216620, 433240, 866480, 898973, 1797946, 3595892, 4494865, 7191784, 8989730, 14383568, 17979460, 35958920, 71917840]

約数ペア:

[(1, 71917840), (2, 35958920), (4, 17979460), (5, 14383568), (8, 8989730), (10, 7191784), (16, 4494865), (20, 3595892), (40, 1797946), (80, 898973), (83, 866480), (166, 433240), (332, 216620), (415, 173296), (664, 108310), (830, 86648), (1328, 54155), (1660, 43324), (3320, 21662), (6640, 10831)]