9915860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6983}}^1$

素因数の和:7063

約数の個数: 24

約数和(自身を含む): 21119616

約数和(自身を除く): 11203756

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 6983, 13966, 27932, 34915, 69830, 139660, 495793, 991586, 1983172, 2478965, 4957930, 9915860]

約数ペア:

[(1, 9915860), (2, 4957930), (4, 2478965), (5, 1983172), (10, 991586), (20, 495793), (71, 139660), (142, 69830), (284, 34915), (355, 27932), (710, 13966), (1420, 6983)]