16518140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 36590400

約数和(自身を除く): 20072260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 230, 241, 298, 460, 482, 596, 745, 964, 1205, 1490, 2410, 2980, 3427, 4820, 5543, 6854, 11086, 13708, 17135, 22172, 27715, 34270, 35909, 55430, 68540, 71818, 110860, 143636, 179545, 359090, 718180, 825907, 1651814, 3303628, 4129535, 8259070, 16518140]

約数ペア:

[(1, 16518140), (2, 8259070), (4, 4129535), (5, 3303628), (10, 1651814), (20, 825907), (23, 718180), (46, 359090), (92, 179545), (115, 143636), (149, 110860), (230, 71818), (241, 68540), (298, 55430), (460, 35909), (482, 34270), (596, 27715), (745, 22172), (964, 17135), (1205, 13708), (1490, 11086), (2410, 6854), (2980, 5543), (3427, 4820)]