1636602020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1\times {\mathrm{2213}}^1$

素因数の和:2684

約数の個数: 48

約数和(自身を含む): 3481470720

約数和(自身を除く): 1844868700

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 359, 412, 515, 718, 1030, 1436, 1795, 2060, 2213, 3590, 4426, 7180, 8852, 11065, 22130, 36977, 44260, 73954, 147908, 184885, 227939, 369770, 455878, 739540, 794467, 911756, 1139695, 1588934, 2279390, 3177868, 3972335, 4558780, 7944670, 15889340, 81830101, 163660202, 327320404, 409150505, 818301010, 1636602020]

約数ペア:

[(1, 1636602020), (2, 818301010), (4, 409150505), (5, 327320404), (10, 163660202), (20, 81830101), (103, 15889340), (206, 7944670), (359, 4558780), (412, 3972335), (515, 3177868), (718, 2279390), (1030, 1588934), (1436, 1139695), (1795, 911756), (2060, 794467), (2213, 739540), (3590, 455878), (4426, 369770), (7180, 227939), (8852, 184885), (11065, 147908), (22130, 73954), (36977, 44260)]