204095128840

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{5197}}^1\times {\mathrm{5879}}^1$

素因数の和:11254

約数の個数: 64

約数和(自身を含む): 462131308800

約数和(自身を除く): 258036179960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 5197, 5879, 6680, 10394, 11758, 20788, 23516, 25985, 29395, 41576, 47032, 51970, 58790, 103940, 117580, 207880, 235160, 867899, 981793, 1735798, 1963586, 3471596, 3927172, 4339495, 4908965, 6943192, 7854344, 8678990, 9817930, 17357980, 19635860, 30553163, 34715960, 39271720, 61106326, 122212652, 152765815, 244425304, 305531630, 611063260, 1222126520, 5102378221, 10204756442, 20409512884, 25511891105, 40819025768, 51023782210, 102047564420, 204095128840]

約数ペア:

[(1, 204095128840), (2, 102047564420), (4, 51023782210), (5, 40819025768), (8, 25511891105), (10, 20409512884), (20, 10204756442), (40, 5102378221), (167, 1222126520), (334, 611063260), (668, 305531630), (835, 244425304), (1336, 152765815), (1670, 122212652), (3340, 61106326), (5197, 39271720), (5879, 34715960), (6680, 30553163), (10394, 19635860), (11758, 17357980), (20788, 9817930), (23516, 8678990), (25985, 7854344), (29395, 6943192), (41576, 4908965), (47032, 4339495), (51970, 3927172), (58790, 3471596), (103940, 1963586), (117580, 1735798), (207880, 981793), (235160, 867899)]