28616840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{102203}}^1$

素因数の和:102221

約数の個数: 32

約数和(自身を含む): 73586880

約数和(自身を除く): 44970040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 102203, 204406, 408812, 511015, 715421, 817624, 1022030, 1430842, 2044060, 2861684, 3577105, 4088120, 5723368, 7154210, 14308420, 28616840]

約数ペア:

[(1, 28616840), (2, 14308420), (4, 7154210), (5, 5723368), (7, 4088120), (8, 3577105), (10, 2861684), (14, 2044060), (20, 1430842), (28, 1022030), (35, 817624), (40, 715421), (56, 511015), (70, 408812), (140, 204406), (280, 102203)]