16456438520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1789}}^1\times {\mathrm{4339}}^1$

素因数の和:6192

約数の個数: 64

約数和(自身を含む): 37755396000

約数和(自身を除く): 21298957480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 1789, 2120, 3578, 4339, 7156, 8678, 8945, 14312, 17356, 17890, 21695, 34712, 35780, 43390, 71560, 86780, 94817, 173560, 189634, 229967, 379268, 459934, 474085, 758536, 919868, 948170, 1149835, 1839736, 1896340, 2299670, 3792680, 4599340, 7762471, 9198680, 15524942, 31049884, 38812355, 62099768, 77624710, 155249420, 310498840, 411410963, 822821926, 1645643852, 2057054815, 3291287704, 4114109630, 8228219260, 16456438520]

約数ペア:

[(1, 16456438520), (2, 8228219260), (4, 4114109630), (5, 3291287704), (8, 2057054815), (10, 1645643852), (20, 822821926), (40, 411410963), (53, 310498840), (106, 155249420), (212, 77624710), (265, 62099768), (424, 38812355), (530, 31049884), (1060, 15524942), (1789, 9198680), (2120, 7762471), (3578, 4599340), (4339, 3792680), (7156, 2299670), (8678, 1896340), (8945, 1839736), (14312, 1149835), (17356, 948170), (17890, 919868), (21695, 758536), (34712, 474085), (35780, 459934), (43390, 379268), (71560, 229967), (86780, 189634), (94817, 173560)]