40070890

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{10301}}^1$

素因数の和:10697

約数の個数: 16

約数和(自身を含む): 72320040

約数和(自身を除く): 32249150

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 10301, 20602, 51505, 103010, 4007089, 8014178, 20035445, 40070890]

約数ペア:

[(1, 40070890), (2, 20035445), (5, 8014178), (10, 4007089), (389, 103010), (778, 51505), (1945, 20602), (3890, 10301)]