51405920

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 129366720

約数和(自身を除く): 77960800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 61, 80, 92, 115, 122, 160, 184, 229, 230, 244, 305, 368, 458, 460, 488, 610, 736, 916, 920, 976, 1145, 1220, 1403, 1832, 1840, 1952, 2290, 2440, 2806, 3664, 3680, 4580, 4880, 5267, 5612, 7015, 7328, 9160, 9760, 10534, 11224, 13969, 14030, 18320, 21068, 22448, 26335, 27938, 28060, 36640, 42136, 44896, 52670, 55876, 56120, 69845, 84272, 105340, 111752, 112240, 139690, 168544, 210680, 223504, 224480, 279380, 321287, 421360, 447008, 558760, 642574, 842720, 1117520, 1285148, 1606435, 2235040, 2570296, 3212870, 5140592, 6425740, 10281184, 12851480, 25702960, 51405920]

約数ペア:

[(1, 51405920), (2, 25702960), (4, 12851480), (5, 10281184), (8, 6425740), (10, 5140592), (16, 3212870), (20, 2570296), (23, 2235040), (32, 1606435), (40, 1285148), (46, 1117520), (61, 842720), (80, 642574), (92, 558760), (115, 447008), (122, 421360), (160, 321287), (184, 279380), (229, 224480), (230, 223504), (244, 210680), (305, 168544), (368, 139690), (458, 112240), (460, 111752), (488, 105340), (610, 84272), (736, 69845), (916, 56120), (920, 55876), (976, 52670), (1145, 44896), (1220, 42136), (1403, 36640), (1832, 28060), (1840, 27938), (1952, 26335), (2290, 22448), (2440, 21068), (2806, 18320), (3664, 14030), (3680, 13969), (4580, 11224), (4880, 10534), (5267, 9760), (5612, 9160), (7015, 7328)]