2008989860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{683}}^1\times {\mathrm{2411}}^1$

素因数の和:3164

約数の個数: 48

約数和(自身を含む): 4296100032

約数和(自身を除く): 2287110172

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 683, 1220, 1366, 2411, 2732, 3415, 4822, 6830, 9644, 12055, 13660, 24110, 41663, 48220, 83326, 147071, 166652, 208315, 294142, 416630, 588284, 735355, 833260, 1470710, 1646713, 2941420, 3293426, 6586852, 8233565, 16467130, 32934260, 100449493, 200898986, 401797972, 502247465, 1004494930, 2008989860]

約数ペア:

[(1, 2008989860), (2, 1004494930), (4, 502247465), (5, 401797972), (10, 200898986), (20, 100449493), (61, 32934260), (122, 16467130), (244, 8233565), (305, 6586852), (610, 3293426), (683, 2941420), (1220, 1646713), (1366, 1470710), (2411, 833260), (2732, 735355), (3415, 588284), (4822, 416630), (6830, 294142), (9644, 208315), (12055, 166652), (13660, 147071), (24110, 83326), (41663, 48220)]