28335860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6529}}^1$

素因数の和:6576

約数の個数: 48

約数和(自身を含む): 70210560

約数和(自身を除く): 41874700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 6529, 13058, 26116, 32645, 45703, 65290, 91406, 130580, 182812, 202399, 228515, 404798, 457030, 809596, 914060, 1011995, 1416793, 2023990, 2833586, 4047980, 5667172, 7083965, 14167930, 28335860]

約数ペア:

[(1, 28335860), (2, 14167930), (4, 7083965), (5, 5667172), (7, 4047980), (10, 2833586), (14, 2023990), (20, 1416793), (28, 1011995), (31, 914060), (35, 809596), (62, 457030), (70, 404798), (124, 228515), (140, 202399), (155, 182812), (217, 130580), (310, 91406), (434, 65290), (620, 45703), (868, 32645), (1085, 26116), (2170, 13058), (4340, 6529)]