55027960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 143700480

約数和(自身を除く): 88672520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 43, 46, 52, 65, 86, 92, 104, 107, 115, 130, 172, 184, 214, 215, 230, 260, 299, 344, 428, 430, 460, 520, 535, 559, 598, 856, 860, 920, 989, 1070, 1118, 1196, 1391, 1495, 1720, 1978, 2140, 2236, 2392, 2461, 2782, 2795, 2990, 3956, 4280, 4472, 4601, 4922, 4945, 5564, 5590, 5980, 6955, 7912, 9202, 9844, 9890, 11128, 11180, 11960, 12305, 12857, 13910, 18404, 19688, 19780, 22360, 23005, 24610, 25714, 27820, 31993, 36808, 39560, 46010, 49220, 51428, 55640, 59813, 63986, 64285, 92020, 98440, 102856, 105823, 119626, 127972, 128570, 159965, 184040, 211646, 239252, 255944, 257140, 299065, 319930, 423292, 478504, 514280, 529115, 598130, 639860, 846584, 1058230, 1196260, 1279720, 1375699, 2116460, 2392520, 2751398, 4232920, 5502796, 6878495, 11005592, 13756990, 27513980, 55027960]

約数ペア:

[(1, 55027960), (2, 27513980), (4, 13756990), (5, 11005592), (8, 6878495), (10, 5502796), (13, 4232920), (20, 2751398), (23, 2392520), (26, 2116460), (40, 1375699), (43, 1279720), (46, 1196260), (52, 1058230), (65, 846584), (86, 639860), (92, 598130), (104, 529115), (107, 514280), (115, 478504), (130, 423292), (172, 319930), (184, 299065), (214, 257140), (215, 255944), (230, 239252), (260, 211646), (299, 184040), (344, 159965), (428, 128570), (430, 127972), (460, 119626), (520, 105823), (535, 102856), (559, 98440), (598, 92020), (856, 64285), (860, 63986), (920, 59813), (989, 55640), (1070, 51428), (1118, 49220), (1196, 46010), (1391, 39560), (1495, 36808), (1720, 31993), (1978, 27820), (2140, 25714), (2236, 24610), (2392, 23005), (2461, 22360), (2782, 19780), (2795, 19688), (2990, 18404), (3956, 13910), (4280, 12857), (4472, 12305), (4601, 11960), (4922, 11180), (4945, 11128), (5564, 9890), (5590, 9844), (5980, 9202), (6955, 7912)]