15420880

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3637}}^1$

素因数の和:3703

約数の個数: 40

約数和(自身を含む): 36540072

約数和(自身を除く): 21119192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 3637, 4240, 7274, 14548, 18185, 29096, 36370, 58192, 72740, 145480, 192761, 290960, 385522, 771044, 963805, 1542088, 1927610, 3084176, 3855220, 7710440, 15420880]

約数ペア:

[(1, 15420880), (2, 7710440), (4, 3855220), (5, 3084176), (8, 1927610), (10, 1542088), (16, 963805), (20, 771044), (40, 385522), (53, 290960), (80, 192761), (106, 145480), (212, 72740), (265, 58192), (424, 36370), (530, 29096), (848, 18185), (1060, 14548), (2120, 7274), (3637, 4240)]